Shipping Brother’s charges customers based on weight of packages They charge $10 for shipping packages 30 pounds to less than 50 pounds. $15 for packages that are 50 pounds to less tha 75 pounds and $20 for packages 75 pounds and heavier. Find the appropriate interval for $10 shipping rate

30<=x<=50
50<=x<75
30<=x<50
5<=x<30

1 answer

The appropriate interval for the $10 shipping rate is:

30 <= x < 50

This means that the shipping charge of $10 applies to packages that weigh at least 30 pounds but less than 50 pounds.