Question 1202179: A scale shows the weight of a baby elephant t0 be 150.,pounds,,J,t,ie'scale ,.. has an accuracy of plus or minus 3 pounds. Let the true weight oMne · ' elephant be w. Write an absolute value inequality to show that w is within 3 pounds of 150 pounds. Then solve the inequality. What is the range for the true weight of the baby elephant?
Answer by ikleyn(52797)   (Show Source):
You can put this solution on YOUR website! .
The absolute value inequality, which you want to get, is THIS ONE
|x - 150| <= 3 pounds.
Its solution, step by step, is as follows
-3 <= x - 150 <= 3
150-3 <= x <= 150+3
147 <= x <= 153.
Solved, with explanations.
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