-13,4, - 9/2 is the answer :)
Y = 2/3x + 3 is the answer
Since they both have 3x terms subtract the second from the first to get rid of the x terms...
3x+2y=10
-3x+y=-13
__________
3y=-3
y=-1, which makes 3x+2y=10 become: 3x-2=10 so
x=4
So the solution is the point (4, -1)
Find out the total discount percentage that students receive.
20% + 10% = 30%
30/100 x 30 = 9 dollars
30 - 9 = 21 dollars (Final answer)