Advanced Strategy for Data Sufficiency by GMAT Quant Reasoning

The statements provided in GMAT Data Sufficiency must be truthful, and therefore they cannot contradict one another. In this video, learn how to use that to your advantage.

For each landscaping job that takes more than 4 hours, a certain contractor charges a total of r dollars for the first 4 hours plus 0.2*r dollars for each additional hour or fraction of an hour, where r ﹥ 100, Did a particular landscaping job take more than 10 hours.

(1) The contractor charges a total of $288 for the job.
(2) The contractor charges a total of 2.4r dollars for the job.

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Avi Gutman doesn't believe in tips and tricks or mindless textbook math procedures, which tend to cause panic, anxiety and mistakes. Learn more at https://www.quantreasoning.com

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