40 percent of N = 0.4 x N
the number = 20 Let N = the number 30% of N = 15% of 40 30% * N = 15% * 40 0.30N = 0.15* 40 0.30N/0.30 = 6/0.30 N = 20
To convert 40% (or any percent) to a decimal divide by 100: 40% ÷ 100 = 0.4
0.4
62.5%
Let n be the number we are looking for. Using symbols we would then write40=.4nmultiply both sides by 10 and we have400=4nor n=100Clearly 40 percent of 100 is 40.
7.5 percent is equivalent to 75/1000 or 3/40 in fraction or 0.075 in decimal
41% is not equivalent to it.
40% = 0,4
40%
n is 6
23
40% = 2/5
the number = 20 Let N = the number 30% of N = 15% of 40 30% * N = 15% * 40 0.30N = 0.15* 40 0.30N/0.30 = 6/0.30 N = 20
To convert 40% (or any percent) to a decimal divide by 100: 40% ÷ 100 = 0.4
0.4
62.5%
Let n be the number we are looking for. Using symbols we would then write40=.4nmultiply both sides by 10 and we have400=4nor n=100Clearly 40 percent of 100 is 40.