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You are here: Home / Official GMAT Guides / 2018 Official GMAT Guide /

Question 215 Problem Solving 2018 GMAT Official Guide

Question 215 Problem Solving 2018 GMAT Official Guide

 
Video explanation: Last Sunday a certain store sold copies of Newspaper A for…

Comments

  1. Adhi says

    May 24, 2021 at 1:40 AM

    at 2:06
    why did you multiply by 100

    Reply
    • GMAT Quantum says

      May 24, 2021 at 8:35 AM

      That is because in the question the quantity $r$ is defined as a percent, so I have to convert the fraction to the percent by multiplying by 100.

      Reply

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