SOLUTION: Maggie�s brother is 7 years younger than four times her age. the sum of their ages is 68 how old is Maddie?

Question 1121638: Maggie�s brother is 7 years younger than four times her age. the sum of their ages is 68 how old is Maddie?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

let's Maggie�s age be and her brother's age
if Maggie�s brother is years than her age, we have
....eq.1
if the sum of their ages is , we have
.....eq.2

substitute from eq.1 in eq.2

so, Maddie is years old
and her brother is:
=>=>=>

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