Answer:
4:7
Step-by-step explanation:
Okay, so first convert the feet to inches so 3x12=36. So the it's 36:63. Then if you simplify it you get 4:7.
-2a if you're Simplifying it and 2\5 if you're going for a decimal
left = right
2.5 + x.5 = 11
10 + 5x = 11
5x = 1
x = 1/5