370 increased by 40% is 518
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. :)
40 + 128% = 91.2
52 + 40% = 72.8
537.6
121800
88.2
42
137.75
2800
42.8
(60)*1.40=84 This means 60 times 100 percent + 40 percent.