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Mathematics, 29.06.2019 14:20 kekeke68

If it takes john 10 hours to paint the fence, how long will it take john and his 2 friends to do the job if they work at the same rate? if it takes john 10 hours to paint the fence, how long will it take john and his 2 friends to do the job if they work at the same rate?

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If it takes john 10 hours to paint the fence, how long will it take john and his 2 friends to do the...
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