Question

When Spheres-R-Us ships bags of golf balls, the number of balls in each bag must be within 6 balls of 300. Write a compound inequality and an absolute value inequality for an acceptable number of golf balls b in each bag.

Answer 1

@XxSweet_NothingsxX @xkat @xiphoidx

Answer 2

Number of golf balls = b
"within 6 balls of 300" implies
300 - 6 < b < 300 + 6
294 < b < 306
This is the compound inequality.

Answer 3

294 < b < 306
subtract 300 throughout
-6 < b - 300 < 6

So the absolute inequality is: |b - 300| < 6