Posted by **Allysa** on Wednesday, May 12, 2010 at 6:44am.

Mrs Allen spends 3/5 of her money at the grocery store. Next she spends 3/5 of her remaining money at the petrol station. She then has $8.00 left.

I know the answer is $50

BUT I need to explain why its right

please explain on a yr 7 level would be helpful!

- Math -
**Reiny**, Wednesday, May 12, 2010 at 7:14am
She spends 3/5 of her money, so she had 2/5 of it left

Then she spends (3/5) of her remaining money, which would leave her with (2/5)(2/5) = 4/25 of her money

so 4/25 of her money equals 8

1/25 of her money equals 8/4

then 25/25 of the money equals 25(8/4) = 50

- Math -
**Allysa**, Wednesday, May 12, 2010 at 4:28pm
thank you! U have saved the day!!!

## Answer this Question

## Related Questions

- Math - Mrs Allen spends 3/5 of her money at the grocery store. Next she spends 3...
- Math - Shawn goes to store and spends 1/3 of money on books. He spends 2/5 of ...
- more math - Every month, a girl gets allowance. Assume last year she had no ...
- math please help!!!!!!!!!!!!!!!!!!!!! - A lady has a certain number of dollar ...
- math - A woman goes to a store that sells used books and spends half of her ...
- math - 2. James spends 10% of his money for movie; he also spends 20% of his ...
- Math - joanne earns $720 a week. She spends 1/3 of her money grocery and ...
- Math - A man goes into a store and says, " If you give me as much money as I ...
- calculus - Every month, a girl gets allowance. Assume last year she had no money...
- math - Emily spent 1/2 of her money at the grocery store. Then, she spent 1/2 of...