40% of 30 equals 12 dollars
30% off of 40 dollars = 70% [left] of 40 dollars = 40*70/100 = 28 dollars
$12.00
12 thousand dollars
To mana
If you're paying my bill, I'll save 100 percent. 30 is 25% less than 40
40% of 49 dollars = 49*40/100 = 19.6 dollars.
40% of $75 = $30 = 40% * $75 = 40%/100% * $75 = 300/10 = $30
280 dollars
2 dollars
50 dollars - 40% = 60% [left] of 50 dollars = 50*60/100 = 30 dollars.
It is 26 dollars.