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Source: Official Guide for the GMAT 13th Ed. Problem Solving; #184 Official Guide for the GMAT 2015 14th Ed. Problem Solving; #184

1

Lois has x dollars more than Jim

Lois has x dollars more than Jim has, and together they have a total of y dollars. Which of the following represents the number of dollars that Jim has?

2 Explanations

1

Balbir Singh

Assign an unknown to the number of dollars Jim has (say, a dollars):
J ----------- L
a ----------- x+a

y = a + (x+a)
2a + x = y
a = (y - x)/2

Oct 1, 2020 • Comment

Adam

That's exactly right! Well done.

Oct 19, 2020 • Reply

1

Gravatar Mike McGarry, Magoosh Tutor

Dec 28, 2013 • Comment

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Section 5.3 Problem Solving

Section 5.3 Problem Solving

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