Question

it requires two sticks of butter to make a batch of 20 cookies. how much butter will it take to make 150 cookies

Answer 1

Solution:

It requires 2 sticks of butter to make a batch of 20 cookies

It requires X sticks of butter to make a batch of 150 cookies

Thus,

X = (150 cookies) × (2 sticks of butter / 20 cookies) = 15 sticks of butter

Answer: It requires 15 sticks of butter to make a batch of 150 cookies