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18 October, 03:38

Rachel's cell phone company charges $0.10 per minute. She used 350 minutes last month and paid $84. Write and solve a linear equation to fins what her bill will be if she uses 300 minutes next month.

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  1. 18 October, 06:34
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    300 min = $X

    350 min = $84

    now cross multiply

    350 * x = 300*84

    x = 25200/350

    x = $72 Answer
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