SOLUTION: My father's age is 4 times my age. The sum of our ages is 60. How old is my father?
Algebra.Com
Question 828704: My father's age is 4 times my age. The sum of our ages is 60. How old is my father?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
---
x = 4y
x + y = 60
---
put the system of linear equations into standard form:
---
x - 4y = 0
x + y = 60
---
copy and paste the above linear system in standard form into this matrix-method solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
---
solution:
x = father = 48
y = child = 12
---
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
My father age is twice my age the sum of our ages is 54 .find my father... (answered by stanbon)
My father is 4 times my age then the sum of our age is 70 what is our... (answered by VirtualMathTutor)
The sum of my mother’s and my father’s ages is 70 and my father is two years older than... (answered by ankor@dixie-net.com)
My father is three times as old as I am. If the sum of our ages is 56, how old is my... (answered by Alan3354)
My mothers age is three times my age. The sum of our ages is 40. How old am I? How old is (answered by ilana)
My family consists of father, mother and a sister. My father is 2 years older than my... (answered by ankor@dixie-net.com)
4 years ago my father age was five times my age. at present the sum of our age is 50.... (answered by TimothyLamb)
michelle is 3 times my age, the sum of our ages is the same as six times my age 2 years... (answered by Fombitz)
Michelle is three times my age the sum of our ages is the same as six time my age two... (answered by scott8148)