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Last Updated on May 3, 2023
GMAT OFFICIAL GUIDE PS
Solution:
This problem is a general word translation. We first define variables and then set up equations.
We can define the following variables:
F = the weight of the first lift
S = the weight of the second lift
We are given that the total weight of Joe’s two lifts was 750 pounds. We sum the two variables to obtain:
F + S = 750
We are also given that twice the weight of his first lift was 300 pounds more than the weight of his second lift. We express this as:
2F = 300 + S
2F – 300 = S
We can now plug in (2F – 300) for S into the first equation, so we have:
F + 2F – 300 = 750
3F = 1,050
F = 350
Answer: D
