Question

Suppose you make $5 an hour as a dog walker. Let h represent the number of hours you work in a week. Write an expression that represents the amount of money you earn in a week and evaluate it for h = 20.

Answer 1

e = 5h

$100

Explanation:

Let e = earnings

e = 5h

For h = 20,

e = 5h = 5(20) = 100

Answer 2

$ 100

Explanation:

1 hour = $ 5

h (hours worked in a week) = 20 hrs

EXPRESSION: amount of money earned in a week = h × 5

EVALUATION: amount of money earned in a week = 20 × 5

amount of money earned in a week = $ 100 ... answer

hope that helps...