SOLUTION: The sum of dans age and his sister age is greater than 45 dans age is three years more than twice his sister age what is the youngest age dan could be ?

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Question 894969: The sum of dans age and his sister age is greater than 45 dans age is three years more than twice his sister age what is the youngest age dan could be ?
Answer by harpazo(655) About Me  (Show Source):
You can put this solution on YOUR website!
Let d = Dan
Let s = sister
d + s > 45
d = 2s + 3
You take it from here.