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A plumber charges $75 for a house call plus $45 per hour. How many hours did the plumber work if he charged $210?
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Apr 18, 2021
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A plumber charges $75 for a house call plus $45
per hour. How many hours did the plumber work if he
charged $210?
Mathematics
middle-school
Pixelbadger
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210=45x+75
-75. -75
135=45x
/45. /45
3=x
The plumber worked 3 hours
Rob Davies
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Apr 21, 2021
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Rob Davies
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