Seraphina is driving two hours to visit her family For the first hour, she traveled at a speed of 64 mies per hour. Then, in the second hour, she traveled at a speed of 66 miles per hour What is the percentage increase of Seraphina's speed? If necessary round to the nearest tenth of a percent A 3.1% B 96.9% C. 3% D 97%​

Anut store normally sells cashews for? $4.00 per pound and peanuts for? $1.50 per pound. but at the end of the month the peanuts had not sold? well, so, in order to sell 40 pounds of? peanuts, the manager decided to mix the 40 pounds of peanuts with some cashews and sell the mixture for $2.00 per pound. how many pounds of cashews should be mixed with the peanuts to ensure no change in the? profit?