1. The capacity of a ferry is either 48 children or 36 adults. If 20 children are on the ferry boat, how many adults can still get on?
2. A can with 40 marbles in it weighed 135 grams. The same can with 20 marbles marbles weighed 75 grams. What is the mass of each marble? What is the mass of the can?
3. What is the least number that leaves a remainder of 3 when divided by 5, a remainder of 2 when divided by 4, a remainder of 1 when divided by 3, and a remainder of 0 when divided by 2?
4. Collin is going to a basketball game out of town. If he could travel 75 mph, he would arrive 1 hour early for the game. If he travels 45 mph, he will arrive 1 hour late. How far is his trip to the basketball game.
5. The combined ages of Mrs. Thor and her son are 35. Mrs. Thor is exactly 34 years older than her son. How old is Mrs. Thor's son?
6. Ethan is holding four cards: two kings and two queens. Ethan picks two of the cards. What is the probability that Anish will pick a king and a queen?
