PSAT Math Grid-Ins Question 70: Answer and Explanation
Question: 70
If 
and -4y - x = 12, what is 
of y?
Correct Answer: 1/2 or .5
Explanation:
1/2 or .5
Difficulty: Medium
Category: Combination
Getting to the Answer: Start by clearing the fractions from the first equation (by multiplying by 8) to make the numbers easier to work with. Then, use combination to solve for y:
Take one-fourth of 2 to get 
, then grid in 1/2 or .5.
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