Posted by **anjelika** on Sunday, November 9, 2008 at 7:13pm.

I have to work with percentages and I don't know how to figure this word problem out.

John saved 23.97$ by purchasing boots at "30% off sale". Find the origianl price of the boots.

- Math :) -
**Ms. Sue**, Sunday, November 9, 2008 at 7:24pm
Let's set up an equation and solve for x (the original price of the boots).

0.3x = 23.97

x = ?

- Math :) -
**anjelika**, Sunday, November 9, 2008 at 7:27pm
x=79.9

does that happen to all kinds of percentage word problems?

- Math :) -
**Ms. Sue**, Sunday, November 9, 2008 at 7:32pm
All percentage word problems can be solved this way -- but you need to be careful about the way you set it up.

For instance, if you wanted to know what he paid for the boots, knowing that he received 30% off of $79.90 --

0.7 * 79.9 = ?

- Math :) -
**anjelika**, Sunday, November 9, 2008 at 7:34pm
do you mean 0.7 or 0.3 * 79.9?

- Math :) -
**Ms. Sue**, Sunday, November 9, 2008 at 7:36pm
With 30% off, he paid 70% of the original price.

- Math :) -
**anjelika**, Sunday, November 9, 2008 at 7:36pm
0.3*79.9=23.97

Thank you Ms. Sue :)

- Math :) -
**anjelika**, Sunday, November 9, 2008 at 7:39pm
So she paid 55.93 with a discount of 30%

- Math :) -
**Writeacher**, Sunday, November 9, 2008 at 7:42pm
And remember -- $55.93 -- the dollar sign should show up before the numbers.

=)

- Math :) -
**anjelika**, Sunday, November 9, 2008 at 7:47pm
oh right! my teacher always reminds me, but I seem to skip it all the time and get -.5 on quizzes for putting it the other way around or forgetting it.

thanks for the reminder Writeacher!

- Math :) -
**Writeacher**, Sunday, November 9, 2008 at 8:23pm
YW!!

=)

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