SOLUTION: I need an equation for this problem, the sum of the present ages of Eric and his father is 58 years. In 10 years his father will be twice as old as Ericwill be at that time. Find

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Question 140226This question is from textbook
: I need an equation for this problem, the sum of the present ages of Eric and his father is 58 years. In 10 years his father will be twice as old as Ericwill be at that time. Find their present ages. This question is from textbook

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
"the sum of the present ages of Eric and his father is 58 years" __ e+f=58 __ f=58-e

"In 10 years his father will be twice as old as Ericwill be at that time" __ 2(e+10)=f+10

substituting __ 2e+20=58-e+10 __ 3e=48 __ e=16

substituting __ 16+f=58 __ f=42