Problema Solution
A water park charges a rental fee plus $1.50 an hour to rent inflatable rafts. The total cost to rent a raft for 6 hours is $15. Assume the relationship is linear. Find and interpret the rate of change and the initial value.
Answer provided by our tutors
Let
x = the rental fee
x + 1.50*6 = 15
x + 9 = 15
x = 15 - 9
x = $6
The rental fee is $6.