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Target Test Prep · GMAT

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Chris Peckover
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Oct 13 to Jan 7, 2027

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Logan Thompson
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Sep 6 to Dec 6, 2026

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Sun · 9:30 AM to 12:30 PM ET
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Target Test Prep GMAT OnDemand

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Expert replies
Source: — Problem Solving |

by sonu_thekool » Thu Jan 08, 2009 6:52 am
a1 + a2 + a3 (Question asks us to answer the result in terms of a1) where a2 = 2a1 + 3 and a3 = 4a2 + 32.

= a1 + (2a1 + 3) + (4a2 + 32)

= 3a1 + 4(2a1 + 3) + 35

= 3a1 + 8a1 + 12 + 35

= 11a1 + 37

Hope this helps.
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by rajataga » Thu Jan 08, 2009 9:42 am
Just one minor correction,

it is....

11a1 + 47
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