Question

a box contains 1 3/4 pounds of pancake mix. Jada used 7/8 pound for a recipe. What fraction of the pancake mix in the box did she use?

Answer 1

Jada used 1/2 of the pancake mix in the box

Explanation:

we know that

`1(3)/(4)\ pounds` -----> represent the 100% of the box

so

by proportion

Find what fraction represent
`(7)/(8)\ pounds`

First convert mixed number to an improper fraction

`1(3)/(4)\ pounds=(1*3+4)/(4)=(7)/(4)\ pounds`

`(100)/((7/4))=(x)/((7/8))\\ \\x= 100*(7/8)/(7/4)\\ \\x=50\%`

Convert the percentage into fraction

`50\%=50/100=1/2`