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anonymous

  • 5 years ago

y - (y * .07) > or = 75,000

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  1. Vijay
    • 5 years ago
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    u mean y - (0.7*y) > or = 75,000

  2. anonymous
    • 5 years ago
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    Yes. I know the answer, but need to show it to teach my daughter

  3. anonymous
    • 5 years ago
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    no...sorry....(.07*y)

  4. Vijay
    • 5 years ago
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    0.3y >= 75000 y>=250,000

  5. anonymous
    • 5 years ago
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    crap! sometimes you just look to make things difficult!

  6. anonymous
    • 5 years ago
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    thanks for ur help

  7. anonymous
    • 5 years ago
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    So y - .07 y = 1*y - .07y = (1 – .07) y = .93 y. Then you have .93 y > or = 75000. You can divide both sides by .93 to solve for y. You get y > or = 75000/ .93 = whatever the calculator says. Note that you don’t need to switch the signs on the inequality when you divide by a positive number. But if it had been like -.93y > or = than 75000, then dividing by -.93, you’d get that y < or = 75000/(-.93).

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