ISEE Middle Level Math : Ratio and Proportion

Study concepts, example questions & explanations for ISEE Middle Level Math

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Example Questions

Example Question #41 : Ratio And Proportion

Possible Answers:

Correct answer:

Explanation:

By a proportion property, if , it follows that .

Setting 

if , then .

Example Question #41 : Ratio And Proportion

Possible Answers:

Correct answer:

Explanation:

The cross-products (the product of a numerator and the other denominator) of a proportion are equal, so, if

, then

.

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