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anonymous

  • one year ago

Sanford can assemble a computer in 60 minutes. Colleen can assemble a computer in 40 minutes. If they work together, how many minutes does it take them to assemble a computer? 5 minutes 6 minutes 20 minutes 24 minutes

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  1. anonymous
    • one year ago
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    im thinking 20 mins am icorrect?

  2. anonymous
    • one year ago
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    to solve this, the easy way would be the product of the two divided by the sum of the two

  3. anonymous
    • one year ago
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    so 60x40/60+40

  4. anonymous
    • one year ago
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    I thought To solve this you do 1/x + 1/y and the denominator over the numerator of the solution is the answer.

  5. anonymous
    • one year ago
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    igot 1400

  6. anonymous
    • one year ago
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    I think you add 1/40 + 1/60. If they work together, it shouldn't be more than by themselves.

  7. anonymous
    • one year ago
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    there are multiple ways to solve this but the simplest and quickest is the product of the two divided by the sum of the two

  8. anonymous
    • one year ago
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    simply what is 60 times 40. divide that by 60 plus 40

  9. anonymous
    • one year ago
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    I wasn't taught that, but as long as it comes out with the right answer, it works! If it does, I would have learned something too.

  10. anonymous
    • one year ago
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    its always good to learn something new!

  11. anonymous
    • one year ago
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    okay so c is correct

  12. anonymous
    • one year ago
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    no the answer is not c

  13. anonymous
    • one year ago
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    Your way came out with 24, just like mine! I did learn something today!

  14. anonymous
    • one year ago
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    yep! learning something new every day!

  15. anonymous
    • one year ago
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    so d is correct thanks guys !

  16. anonymous
    • one year ago
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    no problem!

  17. anonymous
    • one year ago
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    I hope I helped some bit!

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