Question

It cost $5.50 per hour to rent a pair of ice skates, for up to two hours. after two hours, the rental cost per hour decreases to $2.50. how much does it cost to rent a pair of ice skates for four hours

Answer 1

2 hours + 1 hour + 1 hour = 4 hours
which is:
$5.50 + $2.50 + $2.50

$10.50 = cost of rent of skates