Thank you. I think I salved it!
It should be two equations:
x+y+z=98
10x+5y+z=649
From the Augmented Matrix I got:
y=331/5 - 9/5(z)
x=31.8+0.8z
We just pretend that z is a constant ie. a free variable.
Homework Statement
We were asked to solve it using Augmented matrix. I just need one more equation though.
A jar of coins contains only dimes, nickels, and pennies. There are 98 coins in the jar, and the total value of the coins is $6.49.
Set up the system of equations representing this...