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The cost of renting a floor waxer is $4.25 per hour plus $5.50 for the
wax. Find the cost of waxing a floor if the time involved was 4.5 hours.

Respuesta :

Amist
Make an equation
y = 4.25x + 5.50
y = total cost, x = hour
Plug in 4.5 hours for x
y = 4.25(4.5) + 5.50
y = 19.125 + 5.50
y = 24.625
Solution: $24.63

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