9.36 is the answer, are you doing a sheet because i have the rest of the answers too
Yes because x NEVER repeats.
20 pounds beacuse you have to first divide the ton by pounds
1. This is one confusing question... But here is what I did
x = 2y + 1
y =

+ 2x
So plug in Y to solve for X
x = 2 (

+ 2x) + 1
x =
- 
Not sure if that's completely correct, but I'm positive I didn't make any mistakes...
5. You have to find the multiples of 60 so...
1 60
2 30
3 20
4 15
<span>5 12
<---
7 = 12 - 5</span>