A.
3.5 inches
B.
4.2 inches
C.
4.9 inches
D.
6.0 inches
If the 40 dollars was for all 4 of the boys in total they would have 10 dollars left if they had to split the 40 and each boy had 10 dollars to get there ticket then they each would have 2.50 left.
Hope this helps
If you have any questions leave in comments below
5%
8%
20%