SOLUTION: 4x+y=70 when 3x=y x=quarters and y=dollar bills so what is x and y equal to add up to $70 while still solving 3x=y

Question 827874: 4x+y=70 when 3x=y x=quarters and y=dollar bills so what is x and y equal to add up to $70 while still solving 3x=y
Found 2 solutions by oscargut, stanbon:
Answer by oscargut(2103) (Show Source): You can put this solution on YOUR website!
Since 3x=y
4x+y = 4x+3x = 7x = 70
Then x = 10 and y = 30
If you need more help you can contact me at
mthman@gmail.com
Thanks
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
4x+y=70 when 3x=y x=quarters and y=dollar bills so what is x and y equal to add up to $70 while still solving 3x=y
-------
Substitute for "y" and solve for "x"
4x + 3x = 70
7x = 70
x = 10
----
y = 3x = 30
===================
Cheers,
Stan H.
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