Question

The statement a (a symbol) b defined to be true if and if a/5>b/3 Which of the following is true ?(here have three questions)​

Answer 1

9. C

10. C

11. C

Explanation:

9.

simply,
`(4)/(5) >(2)/(3)`

10.

the greatest divisor of 28 is 7, so:

28 + 7 = 35

11.

the greatest divisor of 15 is 5, so:

15 + 5 = 20

n = 20

the greatest divisor of 20 is 10, so:

20 + 10 = 30