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Seven years ago Bob was $k$ times as old as Ann. If Ann is now 11 year
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30 Mar 2026, 03:01
30 Mar 2026, 03:01
Expert Reply
00:00
Question Stats:
87% (00:50) correct
12% (02:17) wrong based on 8 sessions
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Seven years ago Bob was \(k\) times as old as Ann. If Ann is now 11 years old, what is Bob's present age in terms of k?
A. \(7+4k\)
B. \(\frac{11}{k+7}\)
C. \(\frac{11-7}{k}\)
D. \(\frac{11-k}{7}\)
E. \(4k-7\)
A. \(7+4k\)
B. \(\frac{11}{k+7}\)
C. \(\frac{11-7}{k}\)
D. \(\frac{11-k}{7}\)
E. \(4k-7\)
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Re: Seven years ago Bob was $k$ times as old as Ann. If Ann is now 11 year
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04 Apr 2026, 01:17
04 Apr 2026, 01:17
1
Expert Reply
Explanation
Ann is now 11, so 7 years ago she was:
\(11−7=4\)
Seven years ago, Bob was \(k\) times Ann’s age, so:
Bob’s age 7 years ago=4k
To find Bob’s present age, add 7 years:
\(4k+7\)
Answer: A
Ann is now 11, so 7 years ago she was:
\(11−7=4\)
Seven years ago, Bob was \(k\) times Ann’s age, so:
Bob’s age 7 years ago=4k
To find Bob’s present age, add 7 years:
\(4k+7\)
Answer: A
gmatclubot
Re: Seven years ago Bob was $k$ times as old as Ann. If Ann is now 11 year [#permalink]
04 Apr 2026, 01:17
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