Question

1,25 x 3 < … x 2,6 < 1,35 x 4

Answer 1

1,25 x 3 < 2… x 2,6 < 1,35 x 4

Answer 2

`<=> 3,75 < x xx 2,6 < 5,4`

`=> (3,75)/(2,6) < x < (5,4)/(2,6)`

`=> 375/260 < x < 54/26`

`=> 75/52 < x < 27/13`.

 

Answer 3

1