How many people did Apex Company employ in 1990?
(1) The company employed 538 more people in 1991 than in 1990.
(2) The company employed 20 percent more people in 1991 than in 1990.

Correct answer marked below

Statement (1) ALONE is sufficient

Statement (2) ALONE is sufficient

BOTH statements TOGETHER are sufficient

Correct

EACH statement ALONE is sufficient

Statements (1) and (2) TOGETHER are NOT sufficient

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Explanation

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Comments

PratitiJul 5

thanks, this one was pretty quick once you set up the two equations

HungJul 13

yeah same, like 30 seconds once you see both give you a relationship

TakashiAug 7

easy but the 538 number is so random it threw me off for a sec

What this question tests

Your ability to manipulate linear and quadratic expressions, substitute unknowns, and solve equations under time pressure.

Losing a sign when moving terms across the equals sign, or dividing both sides by a variable that could equal zero.

How many people did Apex Company employ in 1990?(1) The company employed 538 more people in 1991 than in 1990.(2) The company employed 20 percent more people in 1991 than in 1990.