8 people take 10 hours to paint a house. how long will it take 4 people to do the same job? please give me full formula of answer
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5
If 8 people take ten hours, then half the number of people will take double the time, i.e. 20 hours
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6
it is a case of indirect variation
8/10=4/x
10*8=80
4*x. =80
x. =80/4
=20 hrs
8/10=4/x
10*8=80
4*x. =80
x. =80/4
=20 hrs
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