SOLUTION: A brownie recipe requires one and one third cups of sugar to one cup of chocolate chips.If one and two thirds cups of sugaris used, What quantity of chocolate chips will be needed,

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: A brownie recipe requires one and one third cups of sugar to one cup of chocolate chips.If one and two thirds cups of sugaris used, What quantity of chocolate chips will be needed,      Log On


   

Question 1132766: A brownie recipe requires one and one third cups of sugar to one cup of chocolate chips.If one and two thirds cups of sugaris used, What quantity of chocolate chips will be needed, according to the recipe?
Found 2 solutions by josgarithmetic, greenestamps:
Answer by josgarithmetic(39630) About Me  (Show Source):
Answer by greenestamps(13209) About Me  (Show Source):
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The ratio of sugar to chips is
1 1/3 : 1 = 4/3 : 1

If 1 2/3 cups of sugar (5/3 cups) are used, then the number of cups x of chips needed can be found using the proportion

(4/3):1 = (5/3):x

%284%2F3%29%2F1+=+%285%2F3%29%2Fx

"cross multiply" to solve.

Another way to set up the proportion is to compare the amount of sugar being used to the amount in the recipe:

%285%2F3%29%2F%284%2F3%29+=+x%2F1

And again cross multiply to solve.