Question 1032773
Let R=Roy, S=Shaun;
R+S=1850
R-220/4=S+220
R-220=4S+880
R=4S+1100
4S+1100+S=1850
5S=750
S=150
R=1700
At the beginning, Roy had 1700 cards, and Shaun had 150!!!!!!!!!