2
Answer: DSet 1: Ratios Rates Proportions (Beginner)
Explanation
PROBLEM
If x:y = 6:2 and x = 12, find y.
If x:y = 6:2 and x = 12, find y.
A.
2
B.
6
C.
1
D.✓ Correct
4
Detailed Explanation
Choice D is the best answer. x/y = 6/2. 12/y = 6/2. y = 12 times 2/6 = 4
Why others are wrong:
A: 2 is incorrect because it does not satisfy the equation.
B: 6 is incorrect because it does not satisfy the equation.
C: 1 is incorrect because it does not satisfy the equation.