Answer:
Step-by-step explanation:
Given
per hour
Required
Derive an expression for the scenario
A tandem bike allows 2 individuals to ride on it at a time.
So, they will only pay for one rental fee because both can ride on it at the same time.
However, they need to get separate helmets.
For Helmets, they will spend:
For Rental, they will spend
for h hours.
Recall that they have just $80 to spend
So, substitute 80 for total
Hence, option C answers the question.