Question

Giúp mình nha

Answer 1

` 4/7 : x = 5/9`

` x = 4/7 : 5/9`

` x = 4/7 xx 9/5`

` x = 36/35`

 

` 11/15 - x = 2/3`

` x = 11/15 - 2/3`

` x = 1/15`

Answer 2

a)`4/7 : x =5/9`

`=>x=4/7 : 5/9 =4/7 xx 9/5 = 36/35`

b)`11/15 - x =2/3`

`=>x=11/15 - 2/3 = 11/15 - 10/15 = 1/15`