Tell me the answer i really need to !

Which logarithmic equation is equivalent to the exponential equation below? e^a=55(you will receive 34 points)

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Joanie watched 1 out of three of a movie in the morning