Can someone answer these please???



Tyler cleaned 20 ears of corn in ¾ hour, Tonya cleaned 15 ears of corn in ½ hour, Tara cleaned 30 ears of corn in 1 ½ hours, and Tony cleaned 40 ears of corn in 2 hours. Who cleaned the corn the fastest?


8. It took 12 gallons for Kyle to refill his tanks after driving 350 miles and it took 9 gallons of gas for Bertie to fill her tank after driving 312 miles. Who got the best gas mileage?


9. Kenneth mowed 3 lawns in 7 hours, Greg mowed 2 lawns in 3 hours, and Wayne mowed 5 lawns in 9 hours. Who mowed the fastest?


10. Maxine used 2 potatoes to make ½ gallon of stew. How many potatoes should she use if she is going to make a gallon of stew?