Question

Mary earns $12 per hour, plus 10% commission on all her sales. Mary work 10 hours in her sales were $1,500. How much money did Mary earn?A. $135B. $160C. $175D. $270

Answer 1

Given data:

The given amount Mary got per hour is A=$12 .

The total hours Mary works is H=10 hours.

The percentage of commission Mary got is P=10%=0.1.

The sale amount is S=$1,500.

The expression for the Money earned by Mary is,

`E=A* H+P* S`

Substitute the given values in the above expression.

`\begin{gathered} E=(12)(10)+(0.1)(1,500) \\ =120+150 \\ =270 \end{gathered}`

Thus, the amount earned by Mary is $270, so option (D) is correct.