8
Answer: BSet 3: Ratios Rates Proportions (Beginner)
Explanation
PROBLEM
Solve: 3/3 = 9/x. Find x.
Solve: 3/3 = 9/x. Find x.
A.
10
B.✓ Correct
9
C.
18
D.
7
Detailed Explanation
Choice B is the best answer. Cross multiply: 3x = 3 times 9 = 27. x = 9
Why others are wrong:
A: 10 is incorrect because it does not satisfy the equation.
C: 18 is incorrect because it does not satisfy the equation.
D: 7 is incorrect because it does not satisfy the equation.