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26 Nov 2018, 00:43
00:00

Difficulty:

25% (medium)

Question Stats:

95% (01:29) correct 5% (01:19) wrong based on 32 sessions

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The total charge for a 4-week dance class is $55.00. The class has 3 sessions per week, and each session lasts 45 minutes. Approximately what is the charge per hour for the class? A.$18.30
B. $13.75 C.$6.10
D. $5.35 E.$4.60

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Joined: 17 Apr 2018
Posts: 9
Location: Thailand
Concentration: Finance, Economics
GMAT 1: 610 Q46 V28
GMAT 2: 720 Q50 V38

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26 Nov 2018, 01:20
Total number of minutes = $$45$$(minutes per session)*$$3$$(times a week)*$$4$$(no.of weeks) = 540
Total number of hours $$= \frac{540}{60} = 9$$ hours
Per hour charge $$= \frac{55}{90} = 6.1$$

Hence C, $$6.1$$
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Vaibhav

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Intern
Joined: 24 Nov 2018
Posts: 6
Re: The total charge for a 4-week dance class is $55.00. The class has 3 [#permalink] ### Show Tags 26 Nov 2018, 10:25 My Solution:$55= number of classes
$55= 4(3)$55=12
12 classes =12 hours

BUT 12(.75)=9 hours since a class only last 3/4 of an hour
55/9= $6.1 per class CEO Joined: 18 Aug 2017 Posts: 3937 Location: India Concentration: Sustainability, Marketing GPA: 4 WE: Marketing (Energy and Utilities) Re: The total charge for a 4-week dance class is$55.00. The class has 3  [#permalink]

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26 Nov 2018, 21:59
1
Bunuel wrote:
The total charge for a 4-week dance class is $55.00. The class has 3 sessions per week, and each session lasts 45 minutes. Approximately what is the charge per hour for the class? A.$18.30
B. $13.75 C.$6.10
D. $5.35 E.$4.60

using the information we can say :

(55*60/( 4*3*45)
= $6.10 option C _________________ If you liked my solution then please give Kudos. Kudos encourage active discussions. Re: The total charge for a 4-week dance class is$55.00. The class has 3   [#permalink] 26 Nov 2018, 21:59
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# The total charge for a 4-week dance class is \$55.00. The class has 3

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