Homework Help: math

Posted by Stacy on Monday, March 14, 2011 at 3:19pm.

1) What is 20% of 30?

2) What is 30% of 20?

3) If m and n are any whole number, is m% of n always equal to n% of m? Explain the answer and support it with 2 examples.

math - Ms. Sue, Monday, March 14, 2011 at 3:23pm
1) 0.2 * 30 = ?

2) 0.3 * 20 = ?

3) What do you think?

http://www.aaamath.com/pro74b-propertiesmult.html
math - Anonymous, Monday, March 14, 2011 at 3:45pm
20%=20/100

20% of 30=20*30/100=600/100=6

30%=30/100

30% of 20=30*20/100=600/100=6

m% of n=m*n/100
n% of m=n*m/100

m% of n is always equal to n% of m?

Examples:

40% of 60=40*60/100=2400/100=24
60% of 40=60*40/100=2400/100=24

70% of 90=70*90/100=6300/100=63
90% of 70=90*70/100=6300/100=63
math - Anonymous, Monday, March 14, 2011 at 4:29pm
m% of n is always equal to n% of m

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