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Kitty [74]
3 years ago
8

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 Ma

rgie $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?
Mathematics
1 answer:
rodikova [14]3 years ago
6 0

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

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