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13 April, 12:21

A local phone company charges a standard rate of three dollars per call. After 1 minute the charge was $4.50. After 2 minutes the rate is $6.00. Susan has $10.00, how long can Susan stay on her phone?

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  1. 13 April, 15:07
    0
    4.66 seconds

    Step-by-step explanation:

    4.50-3.00=1.50

    10-3=7/1.50 = 4.66
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