|
Question 821582: the ratio of two numbers is 5 to 4 and their sum is 180 what is their difference?
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! ---
x/y = 5/4
y = (4/5)x
x + y = 180
---
put the system of linear equations into standard form
---
(4/5)x - y = 0
x + y = 180
---
0.8x - y = 0
x + y = 180
---
copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
---
answer:
x= 100
y= 80
x - y = 20
---
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
|
|
|
| |
