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16 July, 03:15

Three new roommates each pay toward the rent and groceries. Allison agrees to pay 35% of the costs, and Betsy agrees to pay 0.4 of the costs. Caroline will pay the remaining balance. Their first payment was $1,160, and their first grocery bill was $130. Caroline claims the she owes $322.50 toward theses two costs. Is her claim correct?

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  1. 16 July, 03:23
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    She is correct

    Step-by-step explanation:

    The total amount the three roommates must pay is $1,160+$130 = $1,290

    Allison must pay:

    $1,290*0.35 = $451.5

    Betsy must pay:

    $1,290*0.4 = $516

    Both Allison and Betsy payments sum: $967.5

    Caroline must pay: $1,290-$967.5 = $322.5

    She is correct because she agreed to pay the remaining balance, which in this case is $322.5
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