Bill can paint a small house in 3 days, sharon can paint a small house in 4 days and wilber can paint a small house in 5 days. how long will it take for bill, sharon and wilber together to paint one small house? give your answer a fraction.

To solve this problem, let us say that the action of totally painting a small house is called “1 job”. Therefore the rates of each person in painting the small house are:

Bill = 1 job / 3 days = 1 / 3

Sharon = 1 job / 4 days = 1 / 4

Wilber = 1 job / 5 days = 1 / 5

Therefore the total rate is calculated by simply adding the rates of the three.

(1 /  3) + (1 / 4) + (1 / 5) = 1 / x

where x is the number of hours it take if all them paint together

Calculating for by multiplying both sides by 60:

60 [(1 /  3) + (1 / 4) + (1 / 5) = 1 / x]

(60/3) + (60/4) + (60/5) = 60 / x

20 + 15 + 12 = 60 / x

47 = 60 / x

x = 60 / 47 hours

60/47 hours

don't know sorry bru

step-by-step explanation:

answer: c. is your answer

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