need help with this word problem

label Algebra
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schedule 1 Day
account_balance_wallet $5

The plumber charges $50 for the first visit plus $8 per hour of work. If the plumber’s total bill is $290, how many hours did he work?

May 18th, 2015

Let the number of hours be 'h'.

50+8h = 290

8h = 290 -50

8h = 240

h = 240/8 = 30


May 18th, 2015

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