4k+6 is greater or equal to -14
4k is greater or equal to -20
k is greater or equal to -5 <-- answer
X=3x-2.4 because if you substract from one side you have to do it to the other
72 % of 300 is 216
Divide 216 ( # of boxes unloaded ) by 30 (minutes they were unloading)
216 / 30 = 7.2
They unloaded 7.2 boxes each minute.
**DOUBLE CHECK:
Multiply 7.2 by 30
7.2*30 = 216
Answer : 7.2 boxes/minute
