Fractions, Decimals, and Percent - Basic Mathematics for Water and Wastewater Operators - page 103

■ Example 4.10
Problem: Convert the following fractions to decimals:
3/4
3/8
5/8
1/4
7/8
1/2
1/6
Solution:
3/4 = 0.75
3/8 = 0.375
5/8 = 0.625
1/4 = 0.25
7/8 = 0.875
1/2 = 0.5
1/6 = 0.166
Problem: Convert the following percents to decimals:
35%
99%
66%
0.5%
30.4%
22%
88%
3.5%
Solution:
35% = 35/100 = 0.35
99% = 99/100 = 0.99
66% = 66/100 = 0.66
0.5% = 0.5/100 = 0.005
30.4% = 30.4/100 = 0.304
22% = 22/100 = 0.22
88% = 88/100 = 0.88
3.5% = 3.5/100 = 0.035
Problem: Convert the following decimals to percents:
0.66
0.17
0.125
1.0
0.05