Question

The ratio of the number of cards gemma has to the number of the cards has is 5:2 Gemma has 60 cards more than sam

Answer 1

g = s + 60

g/s = 5/2
so
(s + 60) / s = 5/2
5 s = 2 s + 120
3 s = 120
s = 40
g = 100