Using fractions you would do like so:
7.5/5
Then you would simply double it to get rid of the 0.5 in 7.5 like so:
15/10 = 3/2
and 3/2 = 1 and a 1/2 or 1.5
If if doesn't work out to be a recognisable fraction, just use short or long division.
75 divided by 5 = 15
5.3571
15
5.3571
7.5
-80
20
5
1, 3, 5, 15, 25, 75 .
No, but if you add 5 to 75. It is 80. So you can divided 80 and 10. The answer is 10.
15. If 100/5 is 20 then 75/5 is 3/4 of 20 which is 15.
The solution to 5 divided by 82 equals 0.060975609