Question 660900
x = cary
y = dan
x = y + 9
x+y = 65

y + 9 + y = 65
2y = 56
y = 28
In 7 years
cary = 28 + 9 = 37
dan = 28
Now
Cary = 37 - 7 = 30
Dan = 28 - 7 = 21