Posted by Ted on Wednesday, January 30, 2013 at 5:05pm.
susan has $450. she uses 30% of her money to but a dress and 20% of the remainder to buy a pair of shoes. how much money does she have left?
i got $225.00 left. am i right
math - Ms. Sue, Wednesday, January 30, 2013 at 5:10pm
I got a different answer.
450 * 0.3 = 135
450 - 135 = 315
315 * 0.8 = 252
dont you mean 315 x 0.2?
We could do it this way.
315 * 0.2 = 63
315 - 63 = 252
I just saved a step in my original problem.
In other words, she had 80 percent of the money left after she spent part of it.
ok i see it thanks
You're welcome.
No, the calculation given in the response is correct. To find out how much money Susan has left after buying a dress and a pair of shoes, you need to follow these steps:
1. Multiply the initial amount of money Susan has ($450) by the percentage she uses to buy a dress (30%):
450 * 0.3 = 135
This means she spent $135 on the dress.
2. Subtract the amount spent on the dress from the initial amount of money to find the remaining amount:
450 - 135 = 315
So Susan has $315 left after buying the dress.
3. Multiply the remaining amount ($315) by the percentage she uses to buy the pair of shoes (20%):
315 * 0.2 = 63
This means she spent $63 on the shoes.
4. Finally, subtract the amount spent on the shoes from the remaining amount to find out how much money Susan has left:
315 - 63 = 252
Therefore, Susan has $252 left after buying the dress and the pair of shoes.
So your original response of $225 is incorrect. The correct answer is $252.