Question

Kelsey painted one-fourth of her bedroom in three-sevenths of an hour. At this rate, how long would it take her to paint the entire room?

three over twenty-eight of an hour
twenty-eight over three of an hour
twelve over seven of an hour
seven over twelve of an hour

Answer 1

@Great_And_Powerful

Answer 2

@iGreen

Answer 3

is it 12 over 7

Answer 4

We have to divide:

\(\dfrac{3}{7} \div \dfrac{1}{4}\)

Or multiply:

\(\dfrac{3}{7} \times \dfrac{4}{1} \rightarrow \dfrac{3 \times 4}{7 \times 1}\)

Simplify

Answer 5

Yep, you got it..

\(\dfrac{3}{7} \times \dfrac{4}{1} \rightarrow \dfrac{3 \times 4}{7 \times 1} \rightarrow \dfrac{12}{7}\)

Answer 6

thaks

Answer 7

Margie calculated that she would spend $175 on school supplies this year. She actually spent $97.50 on school supplies. What is Margie’s percent of error?

77.3%
79.5%
44.2%
4.4%

Answer 8

and is it c

Answer 9

One question per post, close this one and open a new one.