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anonymous

  • one year ago

the total cost of an item includes sales tax is directly proportional to its price. if the total cost of a $24 item is $25.44 , what is the total cost on a $75 item

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  1. anonymous
    • one year ago
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    25.44/24 = x/75 75*25.44 = 24x x = 75*25.44/24 = 79.5

  2. anonymous
    • one year ago
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    What did you get?

  3. triciaal
    • one year ago
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    directly proportional means as one goes up/down the other goes up/down by a certain constant factor. |dw:1439014496738:dw|

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