The industry standard for ice cream storage is -28.9 degrees. Freezer temperature fluctuate, so a safety factor of 2.8 degree is allowed. Were and solve an absolute value inequality to fine the maximum and minimum temperatures?

1 Answer
Jul 9, 2018

Maximum #= 31.8#

Minimum #=-28#

Explanation:

#abs(-28.9^o +- 2.9^o) > 0#

#abs(-28.9^o + 2.9^o) or abs(-28.9^o - 2.9^o)#

#abs(-28.9^o + 2.9^o) or abs(-28.9^o - 2.9^o)#

#abs28 or abs (-31.8)#

#-28 or 31.8#

Hence;

Maximum #= 31.8#

Minimum #=-28#