Question

4/15 : 4/7 < x < 2/5 x 10/3

Answer 1

ta có :

`4/15 : 4/7  < x < 2/5 xx 10/3`

`=>4/15 xx 7/4  < x < 10/15`

`=>28/60 < x < 10/15`

`=>7/15 < x < 2/3`

 `=>7/15 <x < 10/15`

`=>x= 8;9`

Answer 2

8/15, 9/15,....19/15