7
Answer: ASet 1: Ratios Rates Proportions (Beginner)
Explanation
PROBLEM
If x:y = 4:5 and x = 24, find y.
If x:y = 4:5 and x = 24, find y.
A.✓ Correct
30
B.
32
C.
33
D.
29
Detailed Explanation
Choice A is the best answer. x/y = 4/5. 24/y = 4/5. y = 24 times 5/4 = 30
Why others are wrong:
B: 32 is incorrect because it does not satisfy the equation.
C: 33 is incorrect because it does not satisfy the equation.
D: 29 is incorrect because it does not satisfy the equation.