Question 8 Answer & Explanation - SAT Algebra

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algebra

A plumber charges $80 to visit and $40 per hour. If the bill is $200, how many hours did they work?

Correct Answer: C

Choice Ahoice D is the correct answer.

Equation: $40h + 80 = 200$
Subtract 80: $40h = 120$
Divide by 40: $h = 3$

Choice Ahoice C is incorrect because calculation error.

Choice Ahoice B is incorrect because calculation error.

Choice Ahoice D is incorrect because calculation error.

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Linear Functions Set 38

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