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DerKrebs [107]
2 years ago
14

Cora works as a plumber and earns $50 per house call, plus $18 for every hour of work. She billed a customer $104, but forgot ho

w long she worked. To solve for the number of hours, she subtracted 50 from 104 and then divided by 18.
Mathematics
1 answer:
DIA [1.3K]2 years ago
8 0

Answer:

Cora worked 3 hours

Step-by-step explanation:

104 = 18x + 50 ( x = # of hours worked)

54 = 18x   ( subtracted 50 from both sides)

3 = x    ( divided both sides by 18)

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