Question

Margie babysits for two families. Mr. and Mrs. Smith pay her $6.50 an hour to babysit their son, Shea. Mr. and Mrs. Jones pay Margie $8 an hour to babysit their children, Sarah, Susan, and Dawn.
A Use the variable x for the number of hours Margie babysits for the Smith family. Write an expression to represent the amount she earns babysitting for this family.

B How much would Margie earn babysitting for the Smith family for 7 hours?

C When babysitting for the Smith family, how long would it take Margie to earn $78?

Answer 1

Answer:

A) $\ 6.5\timesx$ is the expression to represent total amount of money she earns babysitting for Smith family.

B) $\ 45.5$ she will earn for Smith family for 7 hours

C) It would take $12 \ hrs$ for Margie to make $\ 78$ when babysitting for the Smith family

Step-by-step explanation:

Given.

Mr. and Mrs. Smith pay Margie $\ 6.50$ an hour to babysit their son, Shea.

Mr. and Mrs. Jones pay Margie $8 an hour to babysit their children, Sarah, Susan, and Dawn.

Let x be number of hours.

Solving for Part A.

Amount of Money earn from Smith family = Pay per hour $\times$ Number of hours =$\ 6.5 \times x= \ 6.5x$

Solving for Part B.

x=7

Margie earns from smith family for 7 hours = $\ 6.5x=\ 6.5\times7=\ 45.5$

Solving for part C.

Margie earned = $\ 78$

To find number of hours

No of hour Margie has done babysitting for Smith family $x=\frac{\ 78}{\ 6.5}=12 \ hrs$