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04 Dec 2007, 20:37
2
KUDOS
9
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Difficulty:

15% (low)

Question Stats:

78% (02:02) correct 22% (01:38) wrong based on 290 sessions

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A certain taxi company charges $3.10 for the first 1/5 of a mile plus$0.40 for each additional 1/5 of a mile. What would this company charge for a taxi ride that was 8 miles long?

A. 15.60
B. 16.00
C. 17.50
D. 18.70
E. 19.10
[Reveal] Spoiler: OA
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04 Dec 2007, 20:57
goodglory wrote:
A certain taxi company charges $3.10 for the first 1/5 of a mile plus .40 for each addtional 1/5 of a mile. What would this company charge for a taxi ride that was 8 miles long? A. 15.60 B. 16.00 C. 17.50 D. 18.70 E. 19.10 so 3.10 for first 1/5mile and .4* so how many 1/5's in 7 and 4/5 miles? well 5 per 7 and 4 for 4/5 So should be. 3.10 + (.4*5)*7 + .4*4 --> 3.10 + 14+1.6 = 18.70 D SVP Joined: 29 Aug 2007 Posts: 2492 Followers: 67 Kudos [?]: 717 [0], given: 19 Re: Taxi Company PLEASE HELP [#permalink] ### Show Tags 04 Dec 2007, 21:22 goodglory wrote: A certain taxi company charges$3.10 for the first 1/5 of a mile plus .40 for each addtional 1/5 of a mile. What would this company charge for a taxi ride that was 8 miles long?

A. 15.60
B. 16.00
C. 17.50
D. 18.70
E. 19.10

= 3.10 + (8 - 0.2) 0.4/0.2
= 3.10 + 15.6
= 18.7
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04 Dec 2007, 21:26
I am confused because 1/5 of a mile is 1.6.
1/5 of 8 miles is 1.6 and then there are 6.4 miles left?

I don't get it?!
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04 Dec 2007, 21:59
3
KUDOS
goodglory wrote:
A certain taxi company charges $3.10 for the first 1/5 of a mile plus .40 for each addtional 1/5 of a mile. What would this company charge for a taxi ride that was 8 miles long? A. 15.60 B. 16.00 C. 17.50 D. 18.70 E. 19.10 How many 1/5 miles does 8 miles contain? = 8/(1/5) = 40 Charge for first 1/5 mile = 3.10 Charge for remaining 39 1/5 miles = 39*.4 = 15.6 Total charge = 15.6 + 3.10 = 18.70 SVP Joined: 04 May 2006 Posts: 1926 Schools: CBS, Kellogg Followers: 21 Kudos [?]: 941 [0], given: 1 Re: Taxi Company PLEASE HELP [#permalink] ### Show Tags 04 Dec 2007, 22:45 GMAT TIGER wrote: goodglory wrote: A certain taxi company charges$3.10 for the first 1/5 of a mile plus .40 for each addtional 1/5 of a mile. What would this company charge for a taxi ride that was 8 miles long?

A. 15.60
B. 16.00
C. 17.50
D. 18.70
E. 19.10

= 3.10 + (8 - 0.2) 0.4/0.2
= 3.10 + 15.6
= 18.7

Dear Gmatiger

Can you help me to understand why the result must be divided into 0.2?
I am confused!
Thanks,
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05 Dec 2007, 17:52
1
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sondenso wrote:
GMAT TIGER wrote:
goodglory wrote:

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23 Feb 2013, 06:42
I don't understand the calculations for this problem I'm getting 3.12 when I calculate 7.8 * 0.4
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23 Feb 2013, 08:08
why are we dividing by 0.2?
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Re: A certain taxi company charges $3.10 for the first 1/5 of a [#permalink] ### Show Tags 23 Feb 2013, 08:11 fozzzy wrote: why are we dividing by 0.2? We need to find the number of 0.2 miles in 7.8 miles ($0.40 for each).
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16 Aug 2013, 09:18
goodglory wrote:
I am confused because 1/5 of a mile is 1.6.
1/5 of 8 miles is 1.6 and then there are 6.4 miles left?

I don't get it?!

I just find the problem about the 1.6
in this question, it says 1/5 of a mile, not 1/5 mile of a mile
you see, that's why we do not need to use 8 mile divided by 1/5
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24 Jun 2015, 14:29
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Re: A certain taxi company charges $3.10 for the first 1/5 of a [#permalink] 24 Jun 2015, 14:29 Similar topics Replies Last post Similar Topics: 1 If a taxi driver charges x cents for the first quarter-mile of a trip 7 22 Jan 2015, 07:46 1 A taxi company charges$1.75 for the first quarter of a mile and fifte 9 24 Dec 2014, 08:52
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