Question

X-Y
3-4
9-?
18-24

What number is missing from the table of equivalent ratios?
A) 10
B) 12
C) 15
D) 16

Answer 1

b) 12

3•3=9 so 4•3=12

Answer 2

The answer is B) 12. This is because 3 times 6 is 18 and 4 times 6 is 24. 3 times 3 is nine so the answer must be 4 times 3. That is 12.