The expression that can be used to represent the situation is 20 + 12.5h
let
number of hours = h
The equation:
initial price + (charges per hour)(number of hours)
= 20 + (12.5)(h)
= 20 + 12.5h
For instance, if h is 4 hours, then boat world charges canoe rentals for;
= 20 + 12.5(4)
= 20 + 50
= $70
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