9
Answer: DSet 1: Ratios Rates Proportions (Intermediate)
Explanation
PROBLEM
Solve: 7/4 = 14/x. Find x.
Solve: 7/4 = 14/x. Find x.
A.
9
B.
5
C.
4
D.✓ Correct
8
Detailed Explanation
Choice D is the best answer. Cross multiply: 7x = 4 times 14 = 56. x = 8
Why others are wrong:
A: 9 is incorrect because it does not satisfy the equation.
B: 5 is incorrect because it does not satisfy the equation.
C: 4 is incorrect because it does not satisfy the equation.