8 1/2
1 1/2•15 =45/2 =22 1/2+15=37 1/2+15=52 1/2
60-52 1/2= 8 1/2 minutes
There is no good answer for this.
You would do s/12, since there is 1 adult for every 12 kids. Then, round the number to the nearest 1. (if it is a decimal, there is a number and remainder of students.)
Answer:
1.74%
Step-by-step explanation:
2.87-2.82=0.05
0.05/2.87=x/100
0.05x=287
x=1.74