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Kayla pays her plumber $22 per hour to replace her drain pipe. She ends up paying him $99. Which equation can you use to find h, the number of hours the plumber worked?

Respuesta :

Simple....

so, if she payed him $99 in total and she payed him $22 dollars per hour...

just make it...

99=22h
and...

[tex] \frac{99}{22}= \frac{22h}{22} [/tex]

4.5=h

Thus, the plumber worked 4.5 hours. (4 and a half hours)
Let's see... 
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FORMULAS!! Or equations too...
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Sorry, we just have to, even if you don't want to.
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$22x = $99, where x is the numbers of hours the plumber worked.
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Now this is REALLY easy.
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Divide 22 on both sides!!
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22x/22 = 99/22.
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So... what's 99/22?
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4.5.
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The plumber worked 4.5 hours.
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Hope I helped!!

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