I think it might be 18 sorry if im wrong
Brother=b
b+9=11
b=2
2=1/5a
10=a
a=10
The answer is 10
Hope this helps :)
Answer: 2 or 3
Step-by-step explanation:
Which ever line is going through the most points
1cm is equal to 10mm, so 37cm is the same as 370mm
1cm is equal to 0.01m, so 37cm is the same as 0.37m