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A telephone call costs $1.50 for the first 3 minutes and $0.20 for eac
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25 Sep 2022, 01:55
25 Sep 2022, 01:55
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Question Stats:
90% (00:30) correct
9% (00:55) wrong based on 11 sessions
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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
Part of the Skill Builder Project
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GRE - Math Book
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GRE Math Essentials
GRE Geometry Formulas
GRE - Math Book
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Status:GRE Quant Tutor
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Concentration: General Management
Schools: XLRI Jamshedpur, India - Class of 2014
GMAT 1: 700 Q51 V31
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A telephone call costs $1.50 for the first 3 minutes and $0.20 for eac
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28 Sep 2022, 09:38
28 Sep 2022, 09:38
1
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!
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!
gmatclubot
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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