Summer Clouds moderators
20/08/2017 at 15:49-
Ngân Hà 20/08/2017 at 16:04The age of the younger sister in this year is: (43 - 7) : 2 = 18 (years old)
The age of the younger sister in 7 years later is: 18 + 7 = 25 (years old)
-
Ngô Tấn Đạt 20/08/2017 at 15:52The age of the younger sister is : (43-7):2=18 ( age )
The age of the young sister in 7 years time is : 18+7=25 (age)