Answer: hope this helps ♡
1 roll(s) will cost $0.6.
Explanation:
Unitary method: Diving the number that u want to find out over the number that's already known. (idunno if ur gonna understand this) :)
5 rolls = $3
1 roll = $?
⅗ = 0.6
1 roll = $0.6
(double check: 0.6×5=3)