To find the sum of 2.50 and 12.45, you simply add the two numbers together. When you add 2.50 and 12.45, you get 14.95. This is because you add the tenths, hundredths, and whole numbers separately to get the correct sum.
1245 + 130 = 1,375
789 + 456 = 1245
14:25.
The answer is 1245
10% off of 1245 = 1120.5 = 1245 - (10% * 1245) = 1245 - (0.10 * 1245) = 1245 - 124.5 = 1120.5
Note that you can use Google.com as a calculator. In the search window, if you type in an equation like this...1245 + 75 =and it will give you..1 245 + 75 = 1 320
570 ^ 500+70 ^ ^ 250+250+70
2 plus 250 = 252.
1245 is divisible by 5.
500
1245/10 = 124.5
2000 - 1245 = 755