Question

The weight of an object on a particular scale is 142.2 lbs the measured weight may vary from the actual weight by at most 0.3 lbs. what is the range of actual weights of the object

Answer 1

144.9 <= x <= 145.5

Explanation:

145.2 + 3 = 145.5

145.2 - 3 = 144.9

144.9 <= x <= 145.5