SOLUTION: Jon is 4 years older than twice the age of his youngar sister, Alice. The sum of the spas in 25 years. How old are John and Auce?

Question 1207790: Jon is 4 years older than twice the age of his youngar sister, Alice. The sum of the spas in 25 years. How old are John and Auce?
Found 2 solutions by MathLover1, josgarithmetic:
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

let Jon's age be and Alice’s age be
if Jon is years older than twice the age of Alice, we have

........eq.1

if the sum of the spas in years, we have
...eq.2

substitute from eq.1 in eq.2

...eq.2, solve for

go to eq.1, substitute

........eq.1

so, Jon is years old and Alice is years old

Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Jon,
Alice,

AGE SUM, ---------------, Alice

, Jon
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