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vredina [299]
3 years ago
14

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
1 answer:
vampirchik [111]3 years ago
8 0

Answer: 1\frac{3}{5} hrs

<u>Step-by-step explanation:</u>

1st painter:  \frac{1}{2}

2nd painter: \frac{1}{8}

1st + 2nd = Together

\frac{1}{2} + \frac{1}{8} = \frac{1}{x}

\frac{1}{2}(8x) + \frac{1}{8}(8x) = \frac{1}{x}(8x)

4x + x = 8

5x = 8

 x = \frac{8}{5}

    = 1\frac{3}{5}

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