Answer:
neither!
Step-by-step explanation:
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
x=3
multiply 2 to both sides to cancel denominator
subtract 8x from both sides and then divide by 2