madi9877 madi9877

09-12-2019
Mathematics

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in a bag of red and yellow cookies the ratio of red cookies to Yellow cookies is 4 :5 if the bag contains 80 yellow cookies how many cookies are there

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racchoi85 racchoi85

09-12-2019

Answer:

144 total cookies

Step-by-step explanation:

First, set up a proportion to find out how many red cookies there are. 4 over 5 is equal to x over 80. Cross-multiply and you will get 64 red cookies. This question is asking how many total cookies there are, so you would add the red and yellow cookies together. 64 plus 80 is 144 total cookies.

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