RJ’s Plumbing and Heating charges $55 plus $40 per hour for emergency service. Gary remembers being billed over $100 for an emergency call. How long was RJ’s there?

iohanetc 2020-10-28 Answered
RJ’s Plumbing and Heating charges $55 plus $40 per hour for emergency service. Gary remembers being billed over $100 for an emergency call. How long was RJ’s there?
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Expert Answer

Demi-Leigh Barrera
Answered 2020-10-29 Author has 97 answers
Let x be the number of hours RJ’s was there. Since the bill is over $100, we can write the inequality:
55+40x>100
Solve for x. Subtract 55 from both sides:
40x>45
Divide both sides by 40:
x>1.125
So, RJ’s was there for more than 1.125 hours.
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