Answer:
Cary is 70 and Dan is 61
Step-by-step explanation:
c = Cary's age
d= Dan's age
c+d+7=75
C= d+7
Rewrite this with one variable
d+7+d+7=75
Simplify and solve for d (dan's current age)
d +14 = 75
d = 61
Cary is 7 years older, so just add 7 to Dan's age, resulting in 70.
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