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Vinil7 [7]
4 years ago
9

During the summer, Heather has a two part-time jobs. She earns $7 an hour as a life guard and $10 an hour as a tutor. This week,

Heather works for a total of 35 hours. If Heather earns $290 in a week, how many hours does she work at each job?
Mathematics
2 answers:
Kazeer [188]4 years ago
7 0

Answer:

Step-by-step explanation:

Lifeguard=x

tutor=35-x

7x+10(35-x)=290

7x+350-10x=290

-3x=-60

x=20 hours as a lifeguard ($140)

35-x=15 hours as a tutor ($150)

adds to $290.

Hope that helps! :)

natali 33 [55]4 years ago
6 0

Answer:

she works 15 hours as a tutor and 20 hours as a life guard.

Step-by-step explanation:

life guard: $7 x 20=140$

                                                                                 

tutor:   $10 x 15= 150$

140+150=290 dollars

20 + 15=35 hours

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