SOLUTION: Mario is 18 years older than Joshua. If the sum of their ages is 46, how old is each?
Algebra.Com
Question 930375: Mario is 18 years older than Joshua. If the sum of their ages is 46, how old is each?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = mario age
y = joshua age
---
x = y + 18
x + y = 46
---
put the system of linear equations into standard form
---
x - y = 18
x + y = 46
---
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 = mario age = 32
y = joshua 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
Cathy is 16 years older than rob. The sum of their ages is 46. How old is... (answered by t0hierry)
Chan is 4 years older than Sue and the sum of their ages 46 how old is... (answered by jorel1380)
Adriana is 7 years older than Joshua. The product of their ages is 144. How old is... (answered by mananth)
Ayaka is 12 years older than Joshua. Five years ago, the sum of their ages was 28. How... (answered by josgarithmetic,ikleyn)
Joshua is one-third as old as his father who is three years older than his mother. When... (answered by lwsshak3,MathTherapy)
mario is four years older than pedro the sum of their age is 40 how old are... (answered by lenny460)
Vicky is 5 years older than Pam. If the sum of their ages is 67 years, how old is... (answered by ankor@dixie-net.com)
Carla is 5 years older than Nick and Nick is 4 years older than Nancy. The sum of their... (answered by josgarithmetic)
Carla is five years okder than Nick and Nick is four years older than Nancy. The sum of... (answered by josgarithmetic)