1

Set 2: Ratios Rates Proportions (Beginner)

Explanation

Answer: B

PROBLEM

If x:y = 2:5 and x = 6, find y.

If x:y = 2:5 and x = 6, find y.

A.

16

B.

15

✓ Correct
C.

18

D.

13

Detailed Explanation

Choice B is the best answer. x/y = 2/5. 6/y = 2/5. y = 6 times 5/2 = 15

Why others are wrong:
A: 16 is incorrect because it does not satisfy the equation.
C: 18 is incorrect because it does not satisfy the equation.
D: 13 is incorrect because it does not satisfy the equation.