Posted by Lilly on Sunday, November 14, 2010 at 7:12pm.
find the percent of decrease from 280 to 210. round to the nearest tenth of percent if necessary

math  Ms. Sue, Sunday, November 14, 2010 at 7:13pm
280  210 = ?
Take the difference and divide it by 280.
Change the decimal to a percent.

math  bobpursley, Sunday, November 14, 2010 at 7:13pm
percent=(210280)/280 x 100
notice as a percent of increase it is negative, as a decrease, change the sign.

math  Lilly, Sunday, November 14, 2010 at 7:23pm
25%

math  bobpursley, Sunday, November 14, 2010 at 7:26pm
Correct.

math  Ms. Sue, Sunday, November 14, 2010 at 7:26pm
Your number is correct, but your sign is not.

math  gunner, Friday, March 9, 2012 at 12:45am
What % of change is $48 to $53.76
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