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anonymous

  • 5 years ago

shawna can paint a fence in 5 hrs. Jassie can paint the same fence in 10 hrs. how long will it take them to paint the fence together56 seconds ago Live preview of your reply:shawna can paint a fence in 5 hrs. Jassie can paint the same fence in 10 hrs. how long will it take them to paint the fence together2 minutes ago

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  1. watchmath
    • 5 years ago
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    shawna speed = 1/5 ( 1 unit of fence for every 5 hours) jessie speed = 1/10 combine speed = 1/5 + 1/10 = 3/10 So they can finish 3 fence for every 10 hours For one fence they just need 10/3 hours.

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