Answer:
the must be 3 it couldn't be 10-x.
2 times the amount that the army is to the basket ball hoop
The answer is 3<span>×5=15
i know that because each stool is built with three legs and we are making 5 stools.</span>
10! = 10 * 9 * 8* 7 *6 *5 *4 *3 *2 *1 = 3628800
5! = 5*4*3*2*1 = 120
2! = 2*1 = 2
5! x 2! = 120 * 2 = 240
10! / 5!2! = 362880 / 240 = 15,120