Question

The sum of 43.9 and a number is 49.65, as shown below. What number should go in the box to complete the addition problem?

43.9 plus box.75 equals 49.65

Answer 1

49.65 - 43.9 = [ ] .75

if you subtract them out, you get 5.75, so put 5 in the box

Answer 2

Solve the following for x:\[x+\frac{439}{10}+\frac{75}{100}=\frac{4965}{100} \]x = 5