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Answer: CSet 3: Ratios Rates Proportions (Beginner)
Explanation
PROBLEM
If x:y = 3:6 and x = 15, find y.
If x:y = 3:6 and x = 15, find y.
A.
33
B.
60
C.✓ Correct
30
D.
31
Detailed Explanation
Choice C is the best answer. x/y = 3/6. 15/y = 3/6. y = 15 times 6/3 = 30
Why others are wrong:
A: 33 is incorrect because it does not satisfy the equation.
B: 60 is incorrect because it does not satisfy the equation.
D: 31 is incorrect because it does not satisfy the equation.