125 + 25 - 90 + 35 - 20 = 5
X + 35 = 90, therefore X = 90 - 35, so X = 55.
90
35
280
35% of 90:= 35% * 90= 0.35 * 90= 31.5
The answer is 350. Simply add the numbers together like you would for two plus two. To check your work, a calculator is the best option.110
Answer = 140
140
385
480
The sum of these numbers is 563.