Hi the picture has the answer and work, if you have any questions feel free to ask!!
- x intercept=a=3
- y intercept=b=-2
We need the normal form first
Multiply by 6to bring standard form
The best thing to do is to find 10%, and you can do this by dividing $270 by 10, and therefore, $27 is equal to 10%. To find 40%, you've got to multiply $27 by 4, and this gives you $108. Therefore, gabriel saved $108 last month :)
hope this helps u
18.10 = 18.1
6,324.50 = 6,324.5