SOLUTION: In a certain clothing store, 3 shirts and 5 ties costs $60 and 2 shirts and 3 ties costs $39
x = shirts y = ties
3x + 5y = 60
2x + 3y = 39
using the 5 steps and also using
Question 1089295: In a certain clothing store, 3 shirts and 5 ties costs $60 and 2 shirts and 3 ties costs $39
x = shirts y = ties
3x + 5y = 60
2x + 3y = 39
using the 5 steps and also using substitution and addition I did this
3x + 5y = 60
3(3x + 5y)= 60
9x + 15y = 60
Now I have to ADD THIS EQUATION INTO THE SECOND EQUATION and this is were I am stuck and also it doesn't look right what am I doing wrong? Answer by MathLover1(20850) (Show Source):
You can put this solution on YOUR website! shirts and ties costs $
and shirts and ties costs $ ....eq.1 ....eq.2
solve this system:
start with ....eq.1 and solve for -> substitute it in eq.2
....eq.2
now find