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BaLLatris [955]
3 years ago
12

It takes Ernie 45 hours to paint the house alone. Silene can do it in 36 hours alone. How long

Mathematics
1 answer:
Alchen [17]3 years ago
4 0
Therefore it takes
2.4

hrs
for Sally & John to paint the house together
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Answer:

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Step-by-step explanation:

4c+12-2c=5c-3  1. combine like terms

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Hello,

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