Matt can paint a small house in 4 days, Harry can paint a small house in 5 days and Rebecca can paint a small house in 6 days. H
ow long will it take for Matt, Harry and Rebecca to paint one small house together? Give your answer as a fraction.
1 answer:
Answer:
60/37 or 1 23/37 hours.
Step-by-step explanation:
Work in rates per hour:
1/4 + 1/5 + 1/6 = 1/x where x is the time taken when they work together.
Multiply through by the LCD ( = 60x):
15x + 12x + 10x = 60
37x = 60
x = 60/37 = 1 23/37 hours.
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