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3 November, 06:07

Cara has $25 to buy dry pet food a pound of dog food costs $2 and treats are $1 apiece if she buys 9 pounds of food the greatest number treats does know

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  1. 3 November, 06:21
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    Cost of each pound of dog food = $2.

    Total cost of 9 pounds of dog food = 9 * 2 = $18.

    Let us assume number of treats she can buy = t.

    Cost of each treat = $1.

    Cost of t number of treats = 1*t = 1t.

    Total money Cara has = $25.

    We can setup an inequality as,

    Total cost of dog food + total cost of t number of treats ≤ 25.

    18 + 1t ≤ 25.

    Subtracting 18 from both sides, we get

    18 + 1t - 18 ≤ 25-18.

    1t ≤ 7 or t ≤ 7.

    So, she can purchase 7 or less treats.
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