"20% off" means "80% still there".
0.8 x 7 = 5.60
7 - (7 times 0.2)
5.60
5.6 pounds
5.6 pounds
7 of out 20 in percent is (7/20)*100 = 35 percent.
20 percent off of 750 is 600.
20 percent off of 30 is 6.
20 percent off 249 = 199.20
79.6 is 20 percent off of 398.
64 is 20 percent off of 320.
20 percent off of 34.00 is 6.80.
20 percent off of 229.99 is 45.998.