Homework Help: Pre-Algebra

Posted by Dean on Sunday, October 25, 2009 at 10:35pm.

Is this correct? If I'm mistaken, please correct it for me, and show me how. Thanks.

[Fractions, Decimals, and Percents.]

33 & 1/3 of $90 = $21.00
100% of 500 = $500
1% of 500 = $5.00
50% of 70 = $35.00
100% of 70 = $70.00

Thanks, you don't have to tell me all of then, just say some if they are correct/wrong.

Pre-Algebra - Ms. Sue, Sunday, October 25, 2009 at 10:41pm
33 & 1/3 of $90 = $21.00 -- Wrong
100% of 500 = $500 -- Right
1% of 500 = $5.00 -- Right
50% of 70 = $35.00 -- Right
100% of 70 = $70.00 -- Right
Pre-Algebra - Dean, Sunday, October 25, 2009 at 10:44pm
Could you explain why I got that one wrong?

Also, 66 1/2% of $24.00, how do I do these problems? :\

Thanks, by the way for checking them :)
Pre-Algebra - Sara, Sunday, October 25, 2009 at 11:02pm
For the 1st problem: 90*.333333
Pre-Algebra - Ms. Sue, Sunday, October 25, 2009 at 11:03pm
0.333333 * 90 = 29.999999

33 1/3% = 1/3
1/3 * 90 = 30

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