Steps:
1. Turn 5 into 4 3/3
2. Do 4 3/3 - 1 2/3
3. 4-1=3
4. 3-2=1
5. Your answer is
3 1/3
Following the MDAS rule, where it is necessary to do multiplication or division processes first (whichever of the 2 is encounter first in the equation) before proceeding to addition and subtraction, the expression can be solved, and is done as follows:
<span>210/7 - 18 + 4*6 - 20
</span>
Doing division and multiplication first:
30 - 18 + 24 - 20
Simplifying:
16
Therefore the answer among the choices is D.
Answer:
x=11
Step-by-step explanation:
3x+28+5x+52+(2x-10)=180
8x+80+2x-10=180
10x+70=180
x=180-70/10
x=11
3x+28=61
5x+52=107
2x-10=12
<em><u>HOPE </u></em><em><u>IT </u></em><em><u>HELPS</u></em><em><u> </u></em><em> </em><em>:</em><em>)</em>
1. original prices of books: 2.5$, 4.95$, 6$
2.5$:100%=x:20%, This ratio is calculating by multiplying inertal members and that is equal to external members. 100%*x=2.5$*20%, x= 2.5*20/100, x=0.5$ is 20% of 2.5$. So for 1st book you will save 0.5$.
4.95$:100%=x:20%, x=0.99$ is 20% of 4.95$. For 2nd book you will save 0.99$
6$:100%=x:20%, x=1.2$ is 20% of 6$. For 3rd book you will save 1.2$.
All in total you will save 2.69$.
2. Total coast of items: 2.5$+8.75$+3+10.25$=24.5$. The tax rate is 6%.
24.5$:100%=x$:6%, x*100=24.5*6, x=24.5*6/100, x=1.47$
Tax is 1.47$.