4teenweightloss.com says that 15 to 30 pecent of American teens are "overweight"
10%
15 percent of 13=1.95
30% = 0.30.3 x 55.93 =16.779
30% decrease
15% is 0.15 so all you have to do is multiply 0.15 by whatever number your trying to find 15% of.
30 pecent
no its in between. 61 pecent rare 49 pecent normal.
100%
363 %
30% means 30 in every 100, but you don't have 100, you have 2000. 2000/100 = 20 which is 1% of 2000, i.e. 1 in every 100. 20 x 30 is 600. i.e. 30 in every 100, which is 600 in every 2000 (30%)
20%