Problema Solution
Carmi needs a 2 1/4 cup of flour for every batch of 80 cookies. How much flour needed to make 400 cookies?
Answer provided by our tutors
let x = cups of floor that Carmi needs for 400 cookies
2 1/4 : 80 = x : 400
9/4 : 80 = x : 400
by solving we find
x = 45/4
x = 11 1/4 cups
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11 1/4 cups of floor are needed for 400 cookies.