alexaprice alexaprice

14-02-2018
Mathematics

contestada

a plumber charges $55 for a service call plus $35 per hour. if the plumber’s bill was $160, how many hours was he there?

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Аноним Аноним

14-02-2018

he was there for 3 hours cause 3 x 35 = 105 but 105 + 55 = 160

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mattjgreen329 mattjgreen329

14-02-2018

It is three hours. If you go to a calculator, and add 55 + 35 you get $90. So, you keep adding +35 until you get your answer, and how many times you put (+35) is how many hours.

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