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23 May, 18:06

3 pencils sell for $0.99, How much would 7 pencils cost.

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  1. 23 May, 21:08
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    2.31

    Step-by-step explanation:

    Thisis because when you have o figure the unit rate which is found by doing 0.99/3 or to remember the formula cost/total number of whatever than you get 0.33 is unit cost for one no multiply that by 7
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