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anonymous

  • 5 years ago

Nick had 67.50 in pennies and dimes. If there were 150 more pennies than dimes, how many dimes dos he have?

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  1. anonymous
    • 5 years ago
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    let n for nick=$.05, p for a penny=.01 .01p+.05n=$67.50 p=150+n Subtitution: p=150+n .0.1(150+n)+.05n=$67.50

  2. anonymous
    • 5 years ago
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    can you do from now?

  3. anonymous
    • 5 years ago
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    very easy

  4. anonymous
    • 5 years ago
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    yes thank u

  5. anonymous
    • 5 years ago
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    you are welcome

  6. anonymous
    • 5 years ago
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    thank you for medal

  7. anonymous
    • 5 years ago
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    sorry I look wrong! penny and dime not penny nick let d for dime=$0.10d p for a penny=.01p .01p+.10d=$67.50 p=150+d Subtitution:p=150+n .01(150+d)+.10d=$67.50 $1.5+.01d + .10d=$67.50 0.11 d =$67.50 -$1.5 d=$66/0.11 d=600cents Subtitution: d=600 .01p+.10(600)=$67.50 .01p+.10(600)=$67.50

  8. anonymous
    • 5 years ago
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    .01p+.10(600)=$67.50 .01p +60 =$67.50 .01p =$67.50-60 p= 7.5/0.1 p= 750 cents check: .01(750)+.10(600)=$67.50 $7.5 + $60.00 = $67.50 Nick have : $7.5 or 750 penny 600 cents or $60.00 Dime

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