Answer:
15
Step-by-step explanation:
if you divide 45 by 3 you get 15 and then if you multiply 15 by 3 you get 45
A. 355, it's the smallest amount you need.
b. 71*2*2.5... don't think this is right, I'm so sorry
<h3>
<u>Answer the following questions :-</u></h3>
Raja is junk seller. He sells many things. Here is given the list of junk.
Check the Raja's rate list and solve the following questions.
![\begin{gathered}\begin{gathered}\begin{gathered}\begin{gathered}\begin{gathered} \small\boxed{\begin{array}{c|c} \bf{Kind \: of\:junk} & \bf{Price \: of \: 1 \: kg } \\ \dfrac{\qquad\qquad\qquad}{ \sf News \: Paper} &\dfrac{\qquad \qquad\qquad}{ \sf Rs.5} & \\ \dfrac{\qquad\qquad\qquad}{ \sf Iron} &\dfrac{\qquad\qquad\qquad}{ \sf Rs.10} & \\ \dfrac{\qquad\qquad\qquad}{ \sf Brass} &\dfrac{\qquad\qquad\qquad}{ \sf Rs.50} & \\ \dfrac{\qquad\qquad\qquad}{ \sf Plastic} &\dfrac{\qquad\qquad\qquad}{ \sf Rs.8}&\end{array}} \end{gathered}\end{gathered}\end{gathered}\end{gathered}\end{gathered}](https://tex.z-dn.net/?f=%5Cbegin%7Bgathered%7D%5Cbegin%7Bgathered%7D%5Cbegin%7Bgathered%7D%5Cbegin%7Bgathered%7D%5Cbegin%7Bgathered%7D%20%5Csmall%5Cboxed%7B%5Cbegin%7Barray%7D%7Bc%7Cc%7D%20%5Cbf%7BKind%20%20%5C%3A%20of%5C%3Ajunk%7D%20%26%20%5Cbf%7BPrice%20%20%5C%3A%20of%20%5C%3A%20%201%20%20%5C%3A%20kg%20%7D%20%5C%5C%20%5Cdfrac%7B%5Cqquad%5Cqquad%5Cqquad%7D%7B%20%5Csf%20News%20%5C%3A%20%20Paper%7D%20%26%5Cdfrac%7B%5Cqquad%20%5Cqquad%5Cqquad%7D%7B%20%5Csf%20Rs.5%7D%20%26%20%5C%5C%20%5Cdfrac%7B%5Cqquad%5Cqquad%5Cqquad%7D%7B%20%5Csf%20Iron%7D%20%26%5Cdfrac%7B%5Cqquad%5Cqquad%5Cqquad%7D%7B%20%5Csf%20Rs.10%7D%20%26%20%5C%5C%20%5Cdfrac%7B%5Cqquad%5Cqquad%5Cqquad%7D%7B%20%5Csf%20Brass%7D%20%26%5Cdfrac%7B%5Cqquad%5Cqquad%5Cqquad%7D%7B%20%5Csf%20Rs.50%7D%20%26%20%5C%5C%20%5Cdfrac%7B%5Cqquad%5Cqquad%5Cqquad%7D%7B%20%5Csf%20Plastic%7D%20%26%5Cdfrac%7B%5Cqquad%5Cqquad%5Cqquad%7D%7B%20%5Csf%20Rs.8%7D%26%5Cend%7Barray%7D%7D%20%5Cend%7Bgathered%7D%5Cend%7Bgathered%7D%5Cend%7Bgathered%7D%5Cend%7Bgathered%7D%5Cend%7Bgathered%7D)
<h2>
<u>Solutions :-</u></h2>
1. How much money will you pay to Raju for 20 kg of newspapers?
![\quad{\longrightarrow{\sf{Cost \: of \: 1 \: kg \: newspaper = Rs.5}}}](https://tex.z-dn.net/?f=%5Cquad%7B%5Clongrightarrow%7B%5Csf%7BCost%20%5C%3A%20of%20%5C%3A%20%201%20%20%5C%3A%20kg%20%20%5C%3A%20newspaper%20%3D%20Rs.5%7D%7D%7D)
![\quad{\longrightarrow{\sf{Cost \: of \: 20 \: kg \: newspaper = Rs.20 \times 5}}}](https://tex.z-dn.net/?f=%5Cquad%7B%5Clongrightarrow%7B%5Csf%7BCost%20%20%5C%3A%20of%20%5C%3A%20%2020%20%20%5C%3A%20kg%20%20%5C%3A%20newspaper%20%3D%20Rs.20%20%5Ctimes%205%7D%7D%7D)
![\quad{\longrightarrow{\sf{Cost \: of \: 20 \: kg \: newspaper = Rs.100}}}](https://tex.z-dn.net/?f=%5Cquad%7B%5Clongrightarrow%7B%5Csf%7BCost%20%5C%3A%20of%20%5C%3A%20%2020%20%20%5C%3A%20kg%20%20%5C%3A%20newspaper%20%3D%20Rs.100%7D%7D%7D)
![\quad{\longrightarrow{\underline{\boxed{\sf{\purple{Cost \: of \: 20 \: kg \: newspaper = Rs.100}}}}}}](https://tex.z-dn.net/?f=%5Cquad%7B%5Clongrightarrow%7B%5Cunderline%7B%5Cboxed%7B%5Csf%7B%5Cpurple%7BCost%20%20%5C%3A%20of%20%5C%3A%20%2020%20%20%5C%3A%20kg%20%20%5C%3A%20newspaper%20%3D%20Rs.100%7D%7D%7D%7D%7D%7D)
<u>∴ We need to pay Rs.100 for buy 20 kg of newspapers. </u>
![\rule{200}{1.5}](https://tex.z-dn.net/?f=%5Crule%7B200%7D%7B1.5%7D)
2. What is the cost of 5 kg Iron?
![\quad{\longrightarrow{\sf{Cost\: of \: 1 \: kg \: iron = Rs.10}}}](https://tex.z-dn.net/?f=%5Cquad%7B%5Clongrightarrow%7B%5Csf%7BCost%5C%3A%20of%20%5C%3A%20%201%20%20%5C%3A%20kg%20%20%5C%3A%20iron%20%3D%20Rs.10%7D%7D%7D)
![\quad{\longrightarrow{\sf{Cost\: of \: 5 \: kg \: iron = Rs.10 \times 5}}}](https://tex.z-dn.net/?f=%5Cquad%7B%5Clongrightarrow%7B%5Csf%7BCost%5C%3A%20of%20%5C%3A%20%205%20%20%5C%3A%20kg%20%20%5C%3A%20iron%20%3D%20Rs.10%20%5Ctimes%205%7D%7D%7D)
![\quad{\longrightarrow{\sf{Cost \: of \: 5 \: kg \: iron = Rs.50}}}](https://tex.z-dn.net/?f=%5Cquad%7B%5Clongrightarrow%7B%5Csf%7BCost%20%5C%3A%20of%20%5C%3A%20%205%20%20%5C%3A%20kg%20%20%5C%3A%20iron%20%3D%20Rs.50%7D%7D%7D)
![\quad{\longrightarrow\underline{\boxed{\sf{\purple{Cost \: of \: 5 \: kg \: iron = Rs.50}}}}}](https://tex.z-dn.net/?f=%5Cquad%7B%5Clongrightarrow%5Cunderline%7B%5Cboxed%7B%5Csf%7B%5Cpurple%7BCost%20%20%5C%3A%20of%20%5C%3A%20%205%20%20%5C%3A%20kg%20%20%5C%3A%20iron%20%3D%20Rs.50%7D%7D%7D%7D%7D)
<u>∴ The cost of 5 kg iron is Rs.50.</u>
![\rule{200}{1.5}](https://tex.z-dn.net/?f=%5Crule%7B200%7D%7B1.5%7D)
3. What is the cost of 9 kg Plastic?
![\quad{\longrightarrow{\sf{Cost \: of \: 1 \: kg \: plastic = Rs.8}}}](https://tex.z-dn.net/?f=%5Cquad%7B%5Clongrightarrow%7B%5Csf%7BCost%20%5C%3A%20of%20%5C%3A%20%201%20%20%5C%3A%20kg%20%20%5C%3A%20plastic%20%3D%20Rs.8%7D%7D%7D)
![\quad{\longrightarrow{\sf{Cost \: of \: 9 \: kg \: plastic = Rs.8 \times 9}}}](https://tex.z-dn.net/?f=%5Cquad%7B%5Clongrightarrow%7B%5Csf%7BCost%20%20%5C%3A%20of%20%5C%3A%20%209%20%20%5C%3A%20kg%20%20%5C%3A%20plastic%20%3D%20Rs.8%20%5Ctimes%209%7D%7D%7D)
![\quad{\longrightarrow{\sf{Cost \: of \: 9 \: kg \: plastic = Rs.72}}}](https://tex.z-dn.net/?f=%5Cquad%7B%5Clongrightarrow%7B%5Csf%7BCost%20%20%5C%3A%20of%20%5C%3A%20%209%20%20%5C%3A%20kg%20%20%5C%3A%20plastic%20%3D%20Rs.72%7D%7D%7D)
![\quad{\longrightarrow\underline{\boxed{\sf{\purple{Cost\: of \: 9 \: kg \: plastic = Rs.72}}}}}](https://tex.z-dn.net/?f=%5Cquad%7B%5Clongrightarrow%5Cunderline%7B%5Cboxed%7B%5Csf%7B%5Cpurple%7BCost%5C%3A%20of%20%5C%3A%20%209%20%20%5C%3A%20kg%20%20%5C%3A%20plastic%20%3D%20Rs.72%7D%7D%7D%7D%7D)
<u>∴ The cost of 9 kg plastic is Rs.72. </u>
![\rule{200}{1.5}](https://tex.z-dn.net/?f=%5Crule%7B200%7D%7B1.5%7D)
4. What is the cost of 7 kg Brass?
![\quad{\longrightarrow{\sf{Cost \: of \: 1 \: kg \: brass = Rs.50}}}](https://tex.z-dn.net/?f=%5Cquad%7B%5Clongrightarrow%7B%5Csf%7BCost%20%20%5C%3A%20of%20%5C%3A%20%201%20%20%5C%3A%20kg%20%20%5C%3A%20brass%20%3D%20Rs.50%7D%7D%7D)
![\quad{\longrightarrow{\sf{Cost\: of \: 7 \: kg \: brass = Rs.50 \times 7}}}](https://tex.z-dn.net/?f=%5Cquad%7B%5Clongrightarrow%7B%5Csf%7BCost%5C%3A%20of%20%5C%3A%20%207%20%20%5C%3A%20kg%20%20%5C%3A%20brass%20%3D%20Rs.50%20%5Ctimes%207%7D%7D%7D)
![\quad{\longrightarrow{\sf{Cost \: of \: 7 \: kg \: brass = Rs.350}}}](https://tex.z-dn.net/?f=%5Cquad%7B%5Clongrightarrow%7B%5Csf%7BCost%20%20%5C%3A%20of%20%5C%3A%20%207%20%20%5C%3A%20kg%20%20%5C%3A%20brass%20%3D%20Rs.350%7D%7D%7D)
<u>∴ The cost of 7kg brass is Rs.350.</u>
![\underline{\rule{200pt}{2pt}}](https://tex.z-dn.net/?f=%5Cunderline%7B%5Crule%7B200pt%7D%7B2pt%7D%7D)
Answer:
A, C, D
Step-by-step explanation:
Germany was losing WW1, even though they were the 3rd country to be in it. Russia was starting to conquer back lost land, the Ottoman Empire had fallen, Austria-Hungary had surrendered. The Germans were at a loss, so they had to surrender.