SOLUTION: I withdrew 1/10 of my bank account. I have 80 dollars left. How much money did I originally have? How do I set up this problem?

Question 1083254: I withdrew 1/10 of my bank account. I have 80 dollars left. How much money did I originally have?
How do I set up this problem?
Found 2 solutions by MathLover1, jorel1380:
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

let's say you originally have dollars on your bank account

if you withdrew of your original amount, it is
if you have dollars left, means
.....solve for

round it ->original amount
check:
->original amount
-> amount you withdrew

Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
If you withdrew 1/10th of your account, then you should have 9/10ths of it left. So $80 represents 9/10th of what you originally had. Let your original balance be x. Then:
(9/10)x=80
.9x=80
x=80/.9
x=$88.89 as your original balance. ☺☺☺☺
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