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18 July, 23:20

At TelePower Plus, long-distance phone calls to China cost $0.59 for the first minute and $0.25 for each additional minute, plus an additional roaming charge of $2.50. If the total charge of a call to Beijing was $11.84, how many minutes did the call last?

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  1. 18 July, 23:45
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    I think the call last approximately around 4 minutes and 74 s
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