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mestny [16]
2 years ago
7

(20 POINTS!!!!) Jack can paint an entire house in 3 hours. Jill can do the same job in 4 hours. What portion of the house can th

ey paint in 1 hour if they work together?
Mathematics
2 answers:
Charra [1.4K]2 years ago
6 0
7/12 portion of the house
Mariulka [41]2 years ago
5 0
Answer: 7/12 portion

Explanation:

Jack can paint:

1 house = 3hr
1/3 portion= 1hr

Jill can paint:

1 house = 4hr
1/4 portion = 1hr

Both of them together can paint in 1 hour:

1/3 + 1/4 = 3/12 + 4/12 = 7/12 portion in 1hr
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