an ice-cream factory makes 250 quarts of ice-cream in 2 hrs. how many could be made in 36 hrs

Find the unit rate of this scenario. 250/2 = 125 quarts per hour Now multiply the unit rate by the new amount.  36*125 = 4500 Add the units 4,500 quarts in 36 hours. 

First you multiply 125 because thats what the machine makes in 1 hour and 125+125=250 so multiply 36 by 125 and that equals 4,500. Answer:4,500