The distance traveled by a car at a constant rate is proportional to the time spent driving. in the equation d = 45t, d represents the distance (in miles) and t represents the time (in hours). a. what is the constant of proportionality? a0 miles per hour b. how far will a car travel in 3 hours? a1 miles

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?