Answer:
You can just cancel out on both sides and find the value of the variable.
If you are cunfuzzled go to math way
A*25+b*35=10250
a +b = 350 | * -25
25a + 35b= 10. 250
-25a -25 b= -8.750
------------------------------
10b = 1500
b=1500:10
b=150 tickets cost 35 $
a= 350-150
a= 200 tickets cost 25 $
Dixon is 6 feet tall
15 ÷ 3 = 5
16 ÷ 3 = 6
