1. Jane is planning a party at which she expects 16, 24, or 12 guests. Because she is unsure of the number of guests but wants to have available equal number of souvenirs for each guest with none left over, how many should she order? 2. At the end of the week, Gino has 17 marbles. He remember giving Gary 14 marbles last Monday, getting 12 marbles back last Wednesday, and giving out 11 marbles last Friday. How many marbles did Gino have at the beginning of the week? 3. A shopkeeper bought 2,160 eggs for P3,240. Forty-eight eggs were broken and he sold the rest in boxes of six eggs for P12 per box. Calculate (a) the number of boxes of eggs sold, and (b) the profit he made. Express his profit as a percentage of the total cost of the eggs and boxes. Give your answer correct to one decimal place. 4. The average of a set of 9 numbers is 50. The average of the first four numbers is 52 and the average of the last four numbers is 49. What is the fifth number? 5. Carolina, Michaela and Priscilla are students at Sikat Elementary School. Their last names are Cruz, Perez and Reyes. Their ages are 7, 9 and 12. Priscilla is younger than both Carolina and Reyes. Perez is older than Reyes. What are the first name, last name and age of each student? 6. A survey on news program channel preference shows that 62 students prefer only BBC, 115 prefer only CNN, 39 prefer both channels, 27 do not prefer either of the two channels a) How many were included in the survey? b) How many prefer BBC? c) How many prefer exactly one channel? d) How many prefer at least one channel