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bryan82

  • 3 years ago

jane sells 8 times as many Volvos as Melissa. If the difference in the sales is 35, how many cars did Jane sell?

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  1. jazy
    • 3 years ago
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    make two equations: x = jane y = melissa x = 8y 35 = x + y

  2. jazy
    • 3 years ago
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    so subsititute the 8y into the second equation for x

  3. shashi20008
    • 3 years ago
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    @jazy it should be "35 = x - y" in 2nd eqn, shouldn't it?

  4. jazy
    • 3 years ago
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    Oh yeah! thanks for correcting me:)

  5. jazy
    • 3 years ago
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    so we still substitute the value of x into the second equation i think: 35 = (8y) - y 35 = 8y - y 35 = 7y /7 y = 5 now you can find x by putting 5 in for the y-value

  6. jazy
    • 3 years ago
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    35 = x - 5 Once you figure out what x is you know how many cars jane sold:) I leave it to you!

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