Question

Erica baby sits for 4 1/2 hours and is paid $27.
A. How much does she make per hour?
B. How much does she make for 8 hours?
C. If the people she babysits for have $34 to pay her, how long can they stay out.

Answer 1

A. Erica gets 6 dollars per hour.
B. She would get 48 dollars for 8 hours.
C. I would say 5 and a half hours. Maybe 5 hours and 45 minutes.

Answer 2

She makes $6 per hour. She makes $48 for 8 hours. She can babysit for 5.67 hours if she gets paid $34.

Erica babysits for 4 1/2 hours and gets paid for $27

The amount of money Erica earns in 1 hour is:

= (1 hour × $27 ) ÷ 9/2 hours

= ($27 × 2) / 9

= $6

The amount of money she makes in 8 hours is:

= 8 × $6

= $48

If the people she babysits for have $34 and the rate at which she's being paid per hour is $6, then the number of hours she can stay for is:

=(34 ÷ 6) hours

= 5.67 hours  

Learn more about arithmetic operations here:

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