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15 May, 00:30

Are carpet coast $15 per square metre. The total delivery charge is $21 Peter buys N squared metres of carpet what is the expression which represents the total cost in $

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  1. 15 May, 01:21
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    15N + 21

    Step-by-step explanation:

    We are given that,

    Amount of carpet bought by Peter = N meter²

    The cost per meter square of the carpet = $15

    So, the cost of 'N' meter square of carpet = 15N dollars.

    Also, the delivery charge for the carpet = $21

    Thus, the total cost of the carpet is given by,

    Total cost = Cost per square meter + Delivery charge

    i. e. Total cost = 15N + 21 (in dollars).

    Hence, the expression representing the cost in dollars is '15N + 21'.
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