Question 908342
one electrician can rewire a home in 10 hours. his partner can rewire the same home in 6 hours. how long will it take the two electricians to rewire the if they work together?
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electrician rate:: 1/10 job/hr
partner rate:: 1/6 job/hr
together rate:: 1/x job/hr
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Equation:
rate + rate = together rate
1/10 + 1/6 = 1/x
6x + 10x = 60
16x = 60
x = 3 3/4 hrs (time to do the job together)
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Cheers,
Stan H.
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