140 dollars.
$70
70 percent off 624 dollars is 436.8 dollars.
49 dollars off, leaving 21
It is: 70-21 = 49 dollars
$63 dollars. 10 percent of 70 is 7. 70-7 is 63.
That would be $49 off the $70.
30% off of 15.00 dollars = (100-30)% of 15 dollars = 70 percent of 15.00 dollars = 15.00*70/100 = 10.50 dollars
104.40 dollars off, leaving 44.74
40% off of 70 = 60% of 70 = 70*.6 = 42
30% off 30000 dollars = 70% of 30000 dollars = 30000*70/100 = 21000 dollars.
70% off of 40.00 dollars = 30% of 40.00 dollars = 40.00 * 30/100 = 12.00 dollars.