1.5 billion divided by 10 percent = 0.15
10 percent of 90 divided by 3 = 3
0.84
4.2
10
10% + 10% = 20%
7 divided by 21 equals 0.333 x 100 = 33.3 percent
0.1429
-31
0.3
The answer is: 5/21 divided by 10/7 = 1/6
21 divided by 88 multiplied by 100 (21/88*100) = 23.863636363....