Answer :
Answer:
3 hours 30 minutes
Step-by-step explanation:
First hour,
All cost, $11.50+$2.50 =$14
remaining charge, $20.25-$14 =$6.25
partial hour,
$2.50 ÷ 2 = $1.25
remaining hour,
per hour, $6.25 ÷ $2.50 = 2.5 hours
total hour rented,
1+2.5 = 3.5 hours
or
0.5 × 60 minutes = 30 minutes
3 hours 30 minutes