2x+5=4x- 1 1
2x= 16
x=8
A: There are eight children.
You can also do this:
This is a profit and loss problem, the application: (profit+loss) ÷ the difference of each distribution = the number of people allocated.
(5+ 1 1)÷(4-2)=8 people.
2×8+5=2 1 apple