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21 Mar 2017, 05:07
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D
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Difficulty:
85%
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Question Stats:
48% (02:51) correct
53%
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wrong
based on 40
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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
A. 10
B. 20
C. 25
D. 30
E. 50
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21 Mar 2017, 09:27
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Bunuel
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
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 \(= 20 pounds\).
• 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
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11 Apr 2017, 14:59
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EgmatQuantExpert
Bunuel
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
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 \(= 20 pounds\).
• 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.
