Answer:
$8.50
Step-by-step explanation:
$29.75 / 3.5 hours = $8.50 per hour
Answer:
The answer is 20 hours
Step-by-step explanation:
20x60=1200
1200÷60=20
Answer: 28
Step-by-step explanation:
Given
Kenny made 7 serves over the net for every 2 serves that did not go over the net i.e. success rate of Kenny is

for 36 serves, applying the same success rate, it is

Serves that did not make over the net is 
Thus, Kenny will make 28 serves that make over the net