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?

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

B) she will earn for Smith family for 7 hours

C) It would take for Margie to make when babysitting for the Smith family

Step-by-step explanation:

Given.

Mr. and Mrs. Smith pay Margie 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 Number of hours =

Solving for Part B.

x=7

Margie earns from smith family for 7 hours =

Solving for part C.

Margie earned =

To find number of hours

No of hour Margie has done babysitting for Smith family

it would be 6xy and -16xy.

c. side angle side. u shares the same sides