800 minus 15 percent = 680
20000
1,250 minus 125 is 1,125.
800 - (20%) = 640
minus 800 g or -800g
800 minus 160 is 640.
8,584 minus 800 is 7,784.
170
1000 of course !
815 - 15 = 800
It is: 870-70 = 800
800 less 80% of it is 100% - 80% = 20% left. 20% of 800 is 20/100 x 800 = 160.