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Faman39

  • 3 years ago

Kenny goes shopping for school clothes during a tax−free weekend, and he saves 6% sales tax. Use a percent proportion to determine how much he would have to spend to save 30% . Which of the following is true? The solution is $18 , and is a denominator in the proportion. The solution is $18, and is a numerator in the proportion. The solution is $500, and is a denominator in the proportion. The solution is $500, and is a numerator in the proportion.

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  1. ganeshie8
    • 3 years ago
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    according to the question, we must setup a proportion like this : \(\frac{a}{b} = \frac{c}{d}\)

  2. ganeshie8
    • 3 years ago
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    since he save 6 rupees on every 100 rupees he spends, first ratio will be 6/100 \(\frac{6}{100} = \frac{c}{d}\)

  3. ganeshie8
    • 3 years ago
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    call : x, the amount he will have to spend

  4. ganeshie8
    • 3 years ago
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    to save 30 dollars, the proportion becomes : \(\frac{6}{100} = \frac{30}{x}\)

  5. ganeshie8
    • 3 years ago
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    solving gives, x = 500, and it is in the numerator.....

  6. ganeshie8
    • 3 years ago
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    and i see theres a mistake in the question : its not 30%, it should be 30 $.

  7. Faman39
    • 3 years ago
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    Thank u so much @ganeshie8 !!!!!!!!!!!!!!!!!!!!!!!!!!! :)

  8. ganeshie8
    • 3 years ago
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    yw... :))

  9. Faman39
    • 3 years ago
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    Yeah, sorry it ws my mistake :)

  10. Faman39
    • 3 years ago
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    i m sorry about that

  11. ganeshie8
    • 3 years ago
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    lol okay... its easy to make out so no probs... :D

  12. Faman39
    • 3 years ago
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    your awesome @ganeshie8 !!!!!!!!!! :)

  13. rsadhvika
    • 3 years ago
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    minor correction @ganeshie8 . x is 500 and it was in the denominator

  14. ganeshie8
    • 3 years ago
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    oops! you're right.... good catch @rsadhvika thank you :)

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