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This equation shows how the amount Paul earns from dog walking depends on the number of hours he works. $\newline$ $d = 18h$ $\newline$ The variable $h$ represents the number of hours spent walking dogs, and the variable $d$ represents the amount of money earned. After a total of $1$ hour of walking dogs, how much money will Paul have earned? $\newline$ $\$$ $\_\_\_\_$

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Evaluate a linear function: word problems

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Q. This equation shows how the amount Paul earns from dog walking depends on the number of hours he works.

\newline

d = 18h

\newline

The variable

h

represents the number of hours spent walking dogs, and the variable

d

represents the amount of money earned. After a total of

1

hour of walking dogs, how much money will Paul have earned?

\newline

\$

\_\_\_\_

Identify hours worked: Step $1$ : Identify the number of hours Paul worked, which is $1$ . This $1$ represents the variable $h$ .
Substitute in equation: Step $2$ : Substitute $1$ for $h$ in the equation $d = 18h$ . So, the equation becomes $d = 18 \times 1$ .
Simplify to find earnings: Step $3$ : Simplify the equation $d = 18 \times 1$ to find $d$ . So, $d = 18$ . Hence, Paul will have earned $\$18$ after walking dogs for $1$ hour.

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