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A telephone call costs $1.50 for the first 3 minutes and $0.20 for eac

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A telephone call costs $1.50 for the first 3 minutes and $0.20 for eac [#permalink] New post   25 Sep 2022, 01:55
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A telephone call costs $1.50 for the first 3 minutes and $0.20 for each minute thereafter. At this rate, what is the cost of a 10-minute telephone call?


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2.90



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A telephone call costs $1.50 for the first 3 minutes and $0.20 for eac [#permalink] New post   28 Sep 2022, 09:38
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Given that A telephone call costs $1.50 for the first 3 minutes and $0.20 for each minute thereafter. And we need to find what is the cost of a 10-minute telephone call

10 mins = 3 mins + 7 mins
=> Charge will be $1.50 (for first 3 mins) + $0.2 * 7 (for 7 additional mins)
= $1.50 + $1.40 = $2.90

So, Answer will be $2.90
Hope it helps!
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A telephone call costs $1.50 for the first 3 minutes and $0.20 for eac [#permalink]
28 Sep 2022, 09:38
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