Question

Barney earns $24.75 in three hours. If the amount that he earns varies directly with the number of hours, how much would he earn in 20 hours?

Answer 1

$165 

24.75 divided by 3 is 8.25
8.25 times 20 is 165

Answer 2

If Barney earns $24.75 in three hours. Then the amount of money he earns in 20 hours will be $ 165.

What are ratio and proportion?

A ratio is an ordered couple of numbers a and b, written as a/b where b can not equal 0. A proportion is an equation in which two ratios are set equal to each other.

Barney earns $24.75 in three hours.

If the amount that he earns varies directly with the number of hours.

Then the amount of money he earns in 20 hours will be

Let x be the amount of money he earns in 20 hours.

Then we have

$\rm \dfrac{x}{20} = \dfrac{\ 24.75}{3}\\\\\\x \ \ = \dfrac{20 \times 24.75}{3}\\\\\\x \ \ = \ 165$

More about the ratio and the proportion link is given below.

https://brainly.com/question/14335762

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