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Deirdre's babysitting service charges $20 plus $10 per hour. Janine's babysitting service costs $30 dollars plus $5 per hour. How many hours will it take for Janine's service to be cheaper? Please help
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3 votes
Deirdre's babysitting service charges $20 plus $10 per hour. Janine's babysitting

service costs $30 dollars plus $5 per hour. How many hours will it take for
Janine's service to be cheaper?

Please help

User Mohammad Zamanian
by
4.3k points

1 Answer

1 vote
It would take 3 hours for Jaines to be cheaper.

One hour:
D- 20+10(1)=30
J- 30+5(1)=35

Two hours:
D- 20+10(2)=40
J- 30+5(2)=40

Three hours:
D- 20+10(3)=50
J- 30+5(3)=45
User Oktieh
by
4.1k points
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