$\begin{array}{ccll} amount&\%\\ \cline{1-2} 30 & 100\\ 27& x \end{array} \implies \cfrac{30}{27}=\cfrac{100}{x} \\\\\\ \cfrac{10}{9}=\cfrac{100}{x}\implies 10x=900\implies x=\cfrac{900}{10}\implies x=90$

4 0

2 years ago

7 - 3b-2(0 + 3 - 2b)

Naddika [18.5K]

Step-by-step explanation:

7 - 3b-2(0 + 3 - 2b)

To simplify the expression in the box, Fatua used

these steps:

Step 1:7 - 3b-2(3 - 3b)

Step 2:7 - 3-6-36-

Step 3: -13 - 66

Did Fatua calculate correctly? if nnot, in what step

did she make her FIRST mistake?

6 0

2 years ago

Read 2 more answers

How many tons are in 448,000 ounces?

777dan777 [17]

Answer: 14

Step-by-step explanation: hope this helps u :)

4 0

3 years ago

Read 2 more answers

A student decides to sort out her new study timetable. She suggests two plans however is confused about which is more efficient.

Viktor [21]

Answer:

Plan B

Step-by-step explanation:

Plan A: 15 days per subjet

Plan B: 9 days per subject.

(I am so sorry if this math is actually wrong. It's very late where I am.)

3 0

3 years ago