Answer:
B
Step-by-step explanation:
Recall that 
So now

Answer:
60%
Step-by-step explanation:
Endbdbr rvrbbfbfbrbrbfbfbfdbdbdbdbdbdbebdbdbdbdbddjsjsejnebebebeebdbdbdbdbdbdbdbdbdbdbsbsbsbdbbssbsbsb
A unit rate is just how much it costs per ONE unit of whatever your measuring. Lets say you had a rate of $4.00/8lbs. The unit rate would be $0.50/ ONE lb.