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nuccioreggie

  • one year ago

The Baldwin family walked four over five of a mile in four over nine of an hour. What is their unit rate in miles per hour? four-ninths over four-fifths equals four over nine mile per hour four-fifths over four-ninths equals one and four-fifths miles per hour four-ninths over four-fifths equals one and four-fifths miles per hour four-fifths over four-ninths equals four over nine mile per hour

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  1. nuccioreggie
    • one year ago
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    @mathmate

  2. nuccioreggie
    • one year ago
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    @mathslover

  3. nuccioreggie
    • one year ago
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    @Compassionate

  4. nuccioreggie
    • one year ago
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    @jim_thompson5910

  5. nuccioreggie
    • one year ago
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    Thanks for coming to help me (:

  6. jim_thompson5910
    • one year ago
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    divide the fractions |dw:1435195460378:dw|

  7. jim_thompson5910
    • one year ago
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    that's the same as multiplying the upper fraction 4/5 by the reciprocal of the bottom fraction 4/9 |dw:1435195371424:dw|

  8. jim_thompson5910
    • one year ago
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    do you see where to go from here?

  9. nuccioreggie
    • one year ago
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    I think so that means its D

  10. jim_thompson5910
    • one year ago
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    what does this simplify to? the stuff in the box |dw:1435195588629:dw|

  11. nuccioreggie
    • one year ago
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    1annd 4 5ths

  12. jim_thompson5910
    • one year ago
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    yeah 9/5 = 1 & 4/5

  13. nuccioreggie
    • one year ago
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    So its B

  14. jim_thompson5910
    • one year ago
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    |dw:1435195651942:dw|

  15. nuccioreggie
    • one year ago
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    So its B

  16. jim_thompson5910
    • one year ago
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    yes

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