Answer:
9 total
2/9 - 5/9 -2/9 so 3 i guess...
Step-by-step explanation:
Pythagorean theorem:
x^2 = 17^2 - 8^2
x^2 = 225
x = sqrt(225) = 15
The distance is 15 ft
He would need to know how many yards he wants to buy