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Mathematics, 06.04.2021 06:20 chanavictor2688

Charges a flat fee of $78 to visit a home and examine a clogged . The plumber charges an additional $26 per hour spent fixing the drain. The total cost, C (in dollars), for fixing a drain that takes h hours is given by the following.
C-78 +26h

(A) what is the cost for fixing the drain that take 7 hours?

(B) if the plumber changed a total cost of $364, how many hots did he spend fixing the drain?

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