Problema Solution
a chocolate chip cookie recipe requires two and two thirds cups of flour to one cup of chocolate chips. If three and two thirds cups of flour is used, what quantity of chocolate chips will be needed according to the recipe?
Answer provided by our tutors
let
x = the quantity of chocolate chip that goes with 3 2/3 cups of flour
two and two thirds cups of flour: 2 2/3 = (2*3 + 2)/3 = 8/3 cups of flour
three and two thirds cups of flour: 3 2/3 = (3*3 + 2)/3 = 11/3 cups of flour
(8/3) : 1 = (11/3) : x
by solving we find:
x = 11/8 cups of chocolate chips
x = 1 3/8 chocolate chips
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1 3/8 cups of chocolate chips will be needed according to the recipe.