Question

Victor needs 30 feet of rope. The rope he wants to buy is sold by the yard. He knows that there are 3 feet in 1 yard. How many yards should he buy

Answer 1

3 feet......1 yard
30 feet.....x yards

x=(30•1)/3
x= 30/3
x= 10 yards


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Answer 2

If he needs 30 feet, and can only buy multiples of 3 feet, he needs to see how many times 3 goes into 30. And since 30/3 is 10, he needs to get 10 yards of rope (or 10 times 3 feet).