Answer:
Option A - 0.5 pounds
Step-by-step explanation:
Given : Beatriz determined the margin of error as 23.5 pounds to 24.5 pounds.
To find : What was the greatest possible error for her actual measurement?
Solution :
To find the margin of error first we find the median of the given numbers.
Median of 23.5 and 24.5
So, the Greatest possible error is 24.5-24 = 0.5 pounds
Therefore, option A is correct.
x= -54
-4x - 84 = 2x + 24
-4x + 2x= 24 + 84
-2x= 108
x= 108 ÷ (-2)