2.12 4P's parent can finish packing relief goods in 5 hours. At the same
rate of work, how many hours will it takes it only 6 4P's parent do the
packing of the same relief goods?

3. Mandy can make a pair of winter glove in 4 hours. How many hours does
she need to make 10 pairs of winter gloves?
4. A car needs 10 liters of gasoline to travel 100 kdlometers. How much
gasoline is needed to travel 200 kilometers?
5. A stock of food for can feed 50 pigs for 30 days. How many days the
food can last if only 30 pigs will be feed?
c​