Posted by **Tomas** on Thursday, August 15, 2013 at 6:54pm.

The enrollment of Kennedy High School dropped from 1200 to 1000 over a three-year period. What the percent of decrease during this time?

A. 20

B 16 2/3

C. 25

D. 200

E. 2

My answer is 1200-1000=200

200/1200= 1/6 ( some wrong )

- maths -
**Ms. Sue**, Thursday, August 15, 2013 at 6:56pm
That's not the answer I got when I divided 200 by 1200.

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**Ms. Sue**, Thursday, August 15, 2013 at 6:58pm
You need to find the decimal answer. Use a calculator.

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**Tomas**, Thursday, August 15, 2013 at 7:07pm
the decimal answer is 0.1666666

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**Ms. Sue**, Thursday, August 15, 2013 at 7:16pm
Right.

To find the percent, multiply:

0.1666666 * 100 = 16 2/3%

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**Tomas**, Thursday, August 15, 2013 at 7:21pm
oh, I get it now, thank you

- maths -
**Ms. Sue**, Thursday, August 15, 2013 at 7:21pm
Yay! :-)

You're welcome.

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