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faraz1998

Michael can wash and detail his car in 3 hours, and Jeanne can wash and detail her car in 5 hours. If they work together, how long will it take them to wash and detail both cars?

  • one year ago
  • one year ago

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  1. faraz1998
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    These are the answers: 3 5/8 hour 3 3/4 hour 3 5/7 hour 4 hour

    • one year ago
  2. faraz1998
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    Whic his the answer?

    • one year ago
  3. faraz1998
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    So is it A B C or D. ..?

    • one year ago
  4. faraz1998
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    15/8 ... That isnt one of the choices

    • one year ago
  5. faraz1998
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    A B C OR D does not consist of that?

    • one year ago
  6. coolmath977
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    in one hour, michael can wash and detail 1/3 of the car, whereas jeanne only does 1/5 of the car. add them up and its 8/15. 1/8/15=15/8 the answer is 15/8 hours

    • one year ago
  7. faraz1998
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    yes i do. It is 2 1/8 but that isnt one of the answers?

    • one year ago
  8. faraz1998
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    The choices are 3 5/8 hour 3 3/4 hour 3 5/7 hour 4 hour

    • one year ago
  9. faraz1998
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    my bad 1 1/8 hr

    • one year ago
  10. coolmath977
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    1 7/8

    • one year ago
  11. faraz1998
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    these r the choices : 3 5/8 hour 3 3/4 hour 3 5/7 hour 4 hour

    • one year ago
  12. coolmath977
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    yea

    • one year ago
  13. faraz1998
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    Man.. i see.. dangg it. Thank you Hero and Coolmath977

    • one year ago
  14. coolmath977
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    cuz the fastest guy takes 3 hrs on his own

    • one year ago
  15. faraz1998
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    So i dont know what to pick?

    • one year ago
  16. coolmath977
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    and tell your teachher

    • one year ago
  17. sauravshakya
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    opps 30/8

    • one year ago
  18. sauravshakya
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    because they need to wash and detail both cars means they need to wash and detail 2 cars

    • one year ago
  19. sauravshakya
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    right?

    • one year ago
  20. faraz1998
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    So then the answer is D

    • one year ago
  21. sauravshakya
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    I think I did @Hero

    • one year ago
  22. faraz1998
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    So would the answer be D?

    • one year ago
  23. sauravshakya
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    It is sure that they will take more than 3 hours

    • one year ago
  24. sauravshakya
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    cause they need to wash and detail both cars

    • one year ago
  25. Kaederfds
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    3 3/4 hour

    • one year ago
  26. sauravshakya
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    Fine.... I may be wrong...... where am I wrong?

    • one year ago
  27. coolmath977
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    oh right@Hero they need to detail two cars. So one car should be 1 7/8 and two cars would be 3 3/4

    • one year ago
  28. sauravshakya
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    Ya thats the right answer @Kaederfds

    • one year ago
  29. coolmath977
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    If its one car it would be 1 7/8

    • one year ago
  30. sauravshakya
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    @Hero read the question very very very carefully

    • one year ago
  31. sauravshakya
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    PLZ

    • one year ago
  32. coolmath977
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    in the end they mentioned "both cars"

    • one year ago
  33. coolmath977
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    Hero could you help me with my question

    • one year ago
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