What is 4-3.5 plus 3.5-1?

Answer 1

To solve this expression, we first perform subtraction within the parentheses: 4 - 3.5 = 0.5 and 3.5 - 1 = 2.5. Next, we add the results together: 0.5 + 2.5 = 3. Therefore, the final answer to the expression 4-3.5 + 3.5-1 is 3.

Answer 2

The sum of 4 -3.5 +3.5 -1 = 3