58/40 = 29/20
58% of 145= 58% * 145= 0.58 * 145= 84.1
22
Oh, dude, you're making me do math? Okay, fine. So, if you decrease 58 by 10%, you just need to take 10% of 58, which is 5.8, and subtract that from 58. So, 58 minus 5.8 is like 52.2. There you go, math wizard.
-7.25
58 +40 = 98
58 is 40% of 145
58
40% of 145= 40% * 145= 0.4 * 145= 58
58/40 = 29/20
58% of 145= 58% * 145= 0.58 * 145= 84.1
2320
4 + 58 - 22 = 40
22
8
-7.25
To find 40 percent of a value, multiply the value by 0.4. In this instance, 0.4 x 58 = $23.20.