Answer:
$16.25 per hour
Explanation:
Given that:
First babysitting pay :
$10 per hour
Duration = 3 hours
Earning = $10 * 3 = $30
Second babysitting pay:
$20 per hour
Duration = 5 hours
Earning = 20 * 5 = $100
Average rate of pay per hour for the day:
Total amount earned / total hours worked
$(30 + 100) / (3 + 5) hours
$130 / 8 hours
= $16. 25 per hour