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16 December, 13:22

Using the following prices, calculate the unit price to determine how much it would cost for 7 granola bars and 9 bottles of water. $7.14 for 6 granola bars $8.72 for 8 bottles of water a. $18.14 b. $18.63 c. $21.41 d. $31.72

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  1. 16 December, 16:58
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    7.14/6 = 1.19 per granola bar

    8.72 / 8 = 1.09 per water bottle

    7 granola bars + 9 bottles of water =

    7 (1.19) + 9 (1.09) =

    8.33 + 9.81 =

    18.14 <===
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