I dont really get the question but i will do my best
If you buy two packs of blue berry at the store it would be $5.60 and it would be 16 pounds. the farm would be $8.40 for 28 ounces or 1 pound and 12 ounces
He traveled 2080 miles after 4 hours. He covered 3640 miles in 7 hours with a constant speed, so we can calculate the speed: 3640/7=520 miles/hour. After 4 hours, he traveled 520*4=2080 miles.