SOLUTION: Peter is three times older than his son. If peter is 28 years older than his son, what are their ages?

Question 926758: Peter is three times older than his son. If peter is 28 years older than his son, what are their ages?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = peter age
y = son age
---
x = 3y
x = y + 28
---
put the system of linear equations into standard form
---
x - 3y = 0
x - y = 28
---
copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
---
solution:
x = peter age = 42
y = son age = 14
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php
RELATED QUESTIONS
A man is four times as old as his son, in four years time he will be three times as older (answered by Alan3354,greenestamps)

the sum of ages of a man peter, his wife, sarah and his son is 100,twice the age of the... (answered by ankor@dixie-net.com)

A man is two times older than his son. together their ages equal 63, what are their... (answered by Alan3354)

A father is 3 times older than his son. Both their ages add up to 54. What are their... (answered by MathLover1,greenestamps,josgarithmetic)

Bob is 25 years younger than his father and 27 years older than his son. What are their... (answered by erica65404,MathTherapy)

If a man is 5 times older than his son, 4 years ago the product of their ages was 52,... (answered by macston,Alan3354)

Sally is 40 years older than her son Peter. In 5 years she will be twice his age. How old (answered by mathsmiles)

a man is 5 times as old as his daughter. the man's son is 2 years older than his sister.... (answered by lwsshak3)

if a father is 20 years older than his son. What is the sum of their ages seven years... (answered by Alan3354)