Question

A recipe calls for of a cup of milk for 12 cookies. How many cups of milk are needed to make 180 cookies?
6
12
5
60

Answer 1

1/3

Answer 2

@calculusxy

Answer 3

make a proportion\[\frac{ \frac{ 1 }{ 3 } }{ 12 }=~\frac{ x }{ 180 }\]
cross-ultiply and solve for x

Answer 4

cross-multiply*

Answer 5

so the answer is

Answer 6

to cross-multiply, you multiply the first fraction's numerator with the second fraction's denominator. and multiply the first fraction's denominator with the second fraction's numerator

Answer 7

what is the answer

Answer 8

so 1/3(180) = 12x