The function f(m) = 0.22m +50, represents the total cost of renting a car as a function of the miles driven. If the total
1 answer:
The car was driven 420 miles.
f(m) = 0.22m + 50
1. Substitute the total cost into f(m)
142.40 = 0.22m + 50
2. Subtract 50 from both sides
92.4 = 0.22m
3. Divide both sides by 0.22
420 = m
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