9 percent of 4200 is 378
5% of 4200= 5% * 4200= 0.05 * 4200= 210
4200*0.40=1680 4200-1680=2520
30.7% of 798 is 245% rate:= 245/798 * 100%= 0.307 * 100%= 30.7%
16.75% of 4,200= 16.75% * 4200= 0.1675 * 4200= 703.5
15% of 4200 = 630
.0701754
It is: 0.67*4200 = 2814 dollars
630
it is 4200.....
1344
4200