divide statement 2 by 4 you will get
A + B = 0.9 - sufficient
Statement 1 - 3A + 4B = 3.05 - Insufficient
Megafoods
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Source: Beat The GMAT — Data Sufficiency |
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Here is a link to a video explanation: https://www.magoosh.com/prereg_question. ... ion_id=230
I hope it's helpful!
I hope it's helpful!












