christianself88
christianself88 christianself88
  • 28-09-2016
  • Mathematics
contestada

A plumber charges a flat rate of $50 and $25 an hour for the work. The plumber received $150 for his services. How many hours did the plumber work?

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mayday2213
mayday2213 mayday2213
  • 28-09-2016
The plumber worked 4 hours total 
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Аноним Аноним
  • 28-09-2016
i think the plumber worked for 2 hours in total because 50+25=75 then 75 multiplied by 2 is $150
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