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qwelly [4]
4 years ago
10

The first painter can finish a paint job in 2 hours. The second painter can finish the same job in 8 hours. How long would it ta

ke them to finish the job if they were working together?
Mathematics
2 answers:
Anarel [89]4 years ago
8 0
Let n be the time it takes them working together. Then:
1/2+1/8=1/n
4/8+1/8=1/n
5/8=1/n
5n=8
n=8/5 hours, working together
☺☺☺☺
Setler79 [48]4 years ago
3 0

Answer:

Let n be the time it takes them working together. Then:

1/2+1/8=1/n

4/8+1/8=1/n

5/8=1/n

5n=8

n=8/5 hours, working together

☺☺☺☺

Step-by-step explanation:

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pls Mark my answer in brainlist and follow me

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Help me plz i have 3 question 30 points
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Here're the answers!!! Good luck!!
1) a = -7 (The first picture -Left to right)
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