4
28. What is the original fraction in the problem #4?
C.
A.
5
6
7
D.
8
B.
inloo
8
29. Dividing 20 by a number gives the same result as dividing 12 by 2 less than the same
number. What is a number?
C. 7
A. 5
D. 8
B. 6
30. Jay's father is twice as old as Jay. In 20 years, Jay will be two-thirds as old as his
father. How is Jay now?
A. 10 years old
C. 20 years old
B. 15 years old
D. 25 years old​