Question

A cookie recipe for 60 cookies calls for 4 cups of flours how much flour or s needed to make 90 cookies

Answer 1

6 Cups of Flower

Explanation:

First form a ratio
Cookies:Flour
60:4
Simplify
15:1
Since we now need to find the amount of cups for 90 cookies we must finds the amount of flower.
90:X
Using our old ratio of 15:1 we must divide 90/15 in order to get a factor to multiply 1 to make 15:1 equivalent to 90:X.
90/15 = 6 | 6 is the factor
15(6):1(6)

90:6

Answer 2

It will take 6 cups of flour

60/90 = 4/x

x=6