Riddle: The pet shop starts with some dogs, then someone comes and takes 1 of the dogs, then another person and their child take 4 dogs. After that a mother, father and their 18 kids adopt 12 dogs. Then the pet shop receaves 3 dogs and someone takes 1, now the pet shop has 2 dogs. How many dogs did they have at the beginning?
Answer: 17 dogs because 17-1=16-4=12-12=0+3=3-1=2.
Riddle: School starts at 8:30, they do math at that time, they do reading at 9:00, they do music at 9:30, they do P.E. at 10:00, then more math at 10:30, then they have tests at 11:00 then correcting them at 11:30 then Lunch at 12:00 and recess at 12:30, then they do reading at 1:00, then they do small group stations at 1:30 then they do another recess at 2:00 then they have a party at 2:30 and then they clean up after the party at 3:00, what time do they go home today?
Answer: 3:30 because each activity is 30 minutes so they clean up for 30 minutes then leave at 3:30!