Problema Solution
A recipe calls for 2 1/2 cups of flour to make 6 cupcakes. How much flour is needed to bake 15 cupcakes?
Answer provided by our tutors
let 'x' represent the number of cups of flour needed
the number of cups of flour is directly proportional with the number of cupcakes bakes
2 1/2 : 6 = x : 15
3/2 : 6 = x : 15
by solving we find:
x = 15/4 cups
x = 3 3/4 cups
x = 3.75 cups
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3 3/4 cups of flour are needed to make 15 cupcakes.