Question 926889: Hannah has the same number of nickels as Heather has dimes. Together, the coins are worth $1.65. How many coins does each girl have? Answer by TimothyLamb(4379) (Show Source):
You can put this solution on YOUR website! x = number of nickels
y = number of dimes
---
x = y
5x + 10y = 165
---
put the system of linear equations into standard form
---
x - y = 0
5x + 10y = 165
---
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 = 11
y = 11
---
they each have 11 coins
---
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