Answer: 20 $
divide 30 by 
30 /
= 20
she has saved 20 $ so far
Part a would be 8x7 = 56 and 60-56= 4 so she would need to sell 4 more games
Part b I’m not sure about. One person would have to but 4 video games I guess
4x+10= -26
-10 -10
___________
4x = -36
__ ___
4 4
X = -9