A tank is filling with water. After 2 minutes, it contained 12 gallons. After 5 minutes, it contained 30 gallons. What is the constant rate of change?

Judy works at a candy factory that makes sugar rush candy bars. she is in charge of quality control and has to make sure each candy bar has the correct mass. each candy bar is required to weigh 12 grams, with a tolerance of 0.45 grams. what is the acceptable weight range for each candy bar? 1. define a variable for this situation.2. write the absolute value inequality that describes the acceptable weight range for each candy bar. 3.using words, describe the possible acceptable weight range for each candy bar.