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anonymous

  • one year ago

Frankie can build a speaker box in 120 minutes. Tisha can build a speaker box 40 minutes faster. If they work together, how many minutes does it take them to build the speaker box?

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  1. anonymous
    • one year ago
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    240 , 80 , 48 ,40

  2. anonymous
    • one year ago
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    the answer is 40

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spraguer (Moderator)
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