PL:PPease

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Ineed to know the answer to this algebra question.