Answer:
1 in 36
Step-by-step explanation:
having the spinner land once on a number you chose beforehand is obviously 1 in 6, so when you do it twice you simply multiply the chances together and in this case 1/6 times 1/6 equals 1/36
radinda9124 i will answer wait
c=10
25-15 would be 10 so therefore 10 is your answer.