If you mean 1/5 of 15 is 3 it is because 5 will divide into 15 exactly 3 times
It is 15 because 15/3 = 5
It is: 15 because 3*5 = 15 and 1*15 = 15
There are 15 because 15/5 = 3
15 of them because 15/5 = 3
There are 5 thirds in 15 because 15/3 = 5, so 5 x 3 = 15.
Yes because 15/100 = 3/20
It is 3 because it has only two factors which are itself and one
15 of them because 15/5 = 3
Yes, because 3 times 5 equals 15 and 5 times 3 equals 15.
The width is 3 yards because 3+15+3+15 = 36 yards
15 is divisible by 3 and 5, because 15/3=5, and 15/5=3.
It is: 15 because 1*15 = 15 and 3*5 = 15