128 is 40% of 320
128 - 40% = 76.8
128*0.4=49.6
40%% rate:= 51.2/128 * 100%= 0.40 * 100%= 40%
40 increased by 3 percent = 41.2 = 40 + (3% * 40) = 40 + (0.03 * 40) = 40 + 1.2 = 41.2
370 increased by 40% is 518
128
2780 increased by 49 percent is 3892. You need to multiply 2780 by .40 and then add that answer to 2780 and you have your answer. :)
52 + 40% = 72.8
1008
537.6
42