0.0107
70
840 / 20
20 percent of 840 is 168.
8
0.0036
120
0.006
20 and 840 thousandths written as a mixed number is 20 and 840/1000 or, in simplest form 20 and 21/25
14
40
840 divided by 100 = 8.4 times that by 20 (percent) = 168. now 840-168=672. divide 672 by the six months and your answer is 112$