math-percents, please!! |
 Apr 27 2005, 10:42 PM
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#1
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 i <3 peter  Group: Member Posts: 744 Joined: Apr 2005 Member No: 125,986  |
hey u guys i forgot how to do percent stuff..like this,...for example:
what number is 25% of 180??? or.. $5 is 4% of what amount?? i know i'm stupid...sorry! :P |
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| *xcaitlinx* |
Apr 28 2005, 01:57 PM
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#2
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i was taught to set up a proportion:
is = % of 100 so, for Ex: "what number is 25% of 180?" you would do... x = 25 180 100 cross multiply: 180x25 = 4,500 then divide by 100: 45 so, $45 is 25% of 180. |
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Posts in this topic
KERP1UNK math-percents Apr 27 2005, 10:42 PM
stephinika QUOTEwhat number is 25% of 180??? or..
just take t... Apr 27 2005, 10:58 PM yukichan try go:
25/100=x/180
and then cross multiply..then... Apr 28 2005, 03:51 AM suddenly she or convert the percentage to a decimal, then use t... Apr 28 2005, 06:26 PM pingpang_0811 1.)25% means 0.25
0.25 x 180... then you'll ge... Apr 29 2005, 01:04 PM
ROARxD 25% of 180
you would first change 25% to decimal... May 4 2005, 05:53 PM |
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