1.5
100
2 square root of 5
0.5
2
12
(square root of) 15 / 9 is the answer
100
2 square root of 5
0.5
2
12
0.2
0.1
15
10
9.6667
The expression "y divided 10 15" seems unclear. If you meant "y divided by 10" and then the result divided by 15, it can be expressed as ( \frac{y}{10} \div 15 ) or ( \frac{y}{150} ). If you meant something else, please clarify!