The answer is 40%
0.30 you move the decimal point over 2 times to the left to get the decimal. You move it over 2 times to the right to get the percent. IE. 5% = 0.05
2/5 = 40%
40%
20%
40%
40 percent
2/5 = 0.4 or 40%
2/5 is 40%
0.4
0.4
2 5/8 = 2.625
40%