Question

simplify each expression.
1. 50 1/2+ (-12.3)
2. -50 1/2+ (-12.3)
3. -50 1/2+12.3

Answer 1

First convert 50 1/2 to a decimal: 50 1/2 = 50.5.

1. 50.5 + (−12.3) = 50.5 − 12.3 = 38.2
2. −50.5 + (−12.3) = −(50.5 + 12.3) = −62.8
3. −50.5 + 12.3 = −(50.5 − 12.3) = −38.2