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# Matt starts an 8-week routine program in increase his bench press. Dur

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Math Expert
Joined: 02 Sep 2009
Posts: 41688

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Matt starts an 8-week routine program in increase his bench press. Dur [#permalink]

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21 Mar 2017, 05:07
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Difficulty:

95% (hard)

Question Stats:

44% (01:23) correct 56% (01:39) wrong based on 62 sessions

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Matt starts an 8-week routine program in increase his bench press. During the first two weeks, he increases his bench press by an average of 10 pounds per week, and during the last six weeks, he increases his bench press by an average of five pounds per week. If the total increase in the first two weeks is equal to the total increase of the last three weeks, by how many pounds had Matt increased his bench press after the fifth week of the routine?

A. 10
B. 20
C. 25
D. 30
E. 50
[Reveal] Spoiler: OA

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Joined: 04 Jan 2015
Posts: 746

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Re: Matt starts an 8-week routine program in increase his bench press. Dur [#permalink]

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21 Mar 2017, 09:27
Bunuel wrote:
Matt starts an 8-week routine program in increase his bench press. During the first two weeks, he increases his bench press by an average of 10 pounds per week, and during the last six weeks, he increases his bench press by an average of five pounds per week. If the total increase in the first two weeks is equal to the total increase of the last three weeks, by how many pounds had Matt increased his bench press after the fifth week of the routine?

A. 10
B. 20
C. 25
D. 30
E. 50

• In the first two weeks total increase in pounds$$= 2$$ x $$10 = 20$$ pounds
• In the last six weeks total increase in pounds $$= 6$$ x $$5 = 30$$ pounds
• It is also given that,
o The total increase in last 3 weeks = total increase in first two weeks $$= 20 pounds$$.
• Total increase in the (3rd,4th and 5th) week = Total increase in last six weeks - total increase in the last three weeks $$= 30 - 20 = 10$$ pounds
• Thus. total increase in the first five weeks = Total increase in the first two weeks + Total increase in the (3rd,4th,5th) weeks $$= 20 + 10 = 30$$ pounds

Thus, the correct answer is Option D.

Thanks,
Saquib
Quant Expert
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Kudos [?]: 2006 [0], given: 123

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Joined: 28 Jan 2017
Posts: 3

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Matt starts an 8-week routine program in increase his bench press. Dur [#permalink]

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11 Apr 2017, 14:59
1
KUDOS
EgmatQuantExpert wrote:
Bunuel wrote:
Matt starts an 8-week routine program in increase his bench press. During the first two weeks, he increases his bench press by an average of 10 pounds per week, and during the last six weeks, he increases his bench press by an average of five pounds per week. If the total increase in the first two weeks is equal to the total increase of the last three weeks, by how many pounds had Matt increased his bench press after the fifth week of the routine?

A. 10
B. 20
C. 25
D. 30
E. 50

• In the first two weeks total increase in pounds$$= 2$$ x $$10 = 20$$ pounds
• In the last six weeks total increase in pounds $$= 6$$ x $$5 = 30$$ pounds
• It is also given that,
o The total increase in last 3 weeks = total increase in first two weeks $$= 20 pounds$$.
• Total increase in the (3rd,4th and 5th) week = Total increase in last six weeks - total increase in the last three weeks $$= 30 - 20 = 10$$ pounds
• Thus. total increase in the first five weeks = Total increase in the first two weeks + Total increase in the (3rd,4th,5th) weeks $$= 20 + 10 = 30$$ pounds

Thus, the correct answer is Option D.

Thanks,
Saquib
Quant Expert
e-GMAT

Please correct me if I am wrong. In the question we have been by how many pounds had Matt increased his bench press after the fifth week of the routine?
NOT average or total increase in first 5 months.

If average or total increase in first 5 months is equal to weight increase after the fifth week . Please help me understand how.

Bunnel it will be very helpful if you can also provide a solution.

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Location: India
Concentration: General Management, Entrepreneurship
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WE: Engineering (Energy and Utilities)
Re: Matt starts an 8-week routine program in increase his bench press. Dur [#permalink]

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11 Aug 2017, 20:28
Bunuel wrote:
Matt starts an 8-week routine program in increase his bench press. During the first two weeks, he increases his bench press by an average of 10 pounds per week, and during the last six weeks, he increases his bench press by an average of five pounds per week. If the total increase in the first two weeks is equal to the total increase of the last three weeks, by how many pounds had Matt increased his bench press after the fifth week of the routine?

A. 10
B. 20
C. 25
D. 30
E. 50

Bunuel I am really disappointed to see another wrong question in the Daily Practice question : 12-08-2017. Please try to filter out questions before putting it in Daily Practice Questions. Such questions if pops up on regular basis will spoil the usability of this section.

This question clearly asks that about the no. of pounds which Matt increased his bench press after 5th week of the routine , which means on 6th , 7th and 8th day combined and it is equal to 20

The solution or the answer is equivalent to the no. of pounds which Matt increased his bench press after 5th week of the routine first 5 days i.e. 30

People have posted solution considering 30 as Answer but we should solve question and then come to answer. We should not go otherwise.

Please change the question stem or the answer and I am sorry to say but this is not really a 700 level question..
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Re: Matt starts an 8-week routine program in increase his bench press. Dur   [#permalink] 11 Aug 2017, 20:28
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