math

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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?

  • math -

    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.

  • math -

    ok i see it thanks

  • math -

    You're welcome.

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