Free GMAT Practice Questions

Question 1 of 1
ID: GMAT-PS-6
Section: Quantitative Reasoning - Problem Solving
Topics: Word Problems; Linear Equations
Difficulty level: Medium

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Suzy and Mary are playing a game with marbles. At a certain stage of the game, Suzy had $S$ number of marbles and Mary had $M$ number of marbles. In the next round, Suzy had to give half of her marbles to Mary. In the next round, Mary had to give 30\% of her marbles to Suzy. If at this stage, the number of marbles with them are equal, which of the following represents the relationship between $S$ and $M$?

A$S=\frac{13M}{14}$
B$S=\frac{14M}{13}$
C$S=\frac{4M}{3}$
D$S=\frac{3M}{4}$
E$S=M$

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