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A plumber charges $50 for every house call and an additional $70 for each hour or work. For one house call yesterday, the plumber earned $435. Witch equation can be solved to find the number of hours the
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31 votes
31 votes
A plumber charges $50 for every house call and an

additional $70 for each hour or work. For one house
call yesterday, the plumber earned $435.
Witch equation can be solved to find the number of hours the plumber worked on the house call?

User Settapon H
by
2.7k points

1 Answer

12 votes
12 votes
he worked 5.5 hours
50-70x= 435
70x = 385
User S Krishna
by
2.9k points
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