Word Problems (2)( Week 44 Evaluation) 1. How many boxes which can hold 32 apples are needed to hold 480 pounds of apples if two apples weigh one pound? 2. People are sorted by their last name in lots of cases. A school is trying to be fair, so students are sorted with various systems in different occasions. One of the systems is based on a calculated index of their first name. Let A=1, B=2, C=3, ..., Y=25 and Z=26. The calculated index is determined by adding the value of all letters in the name. Can you sort the following names based on the system in ascending index value (if both names have the same index value, keep their original order)? You need to type the names exactly as they are shown below with the first character in upper case. Before sort: Mary, Richard, Julia. After sort: , , . 3. In a group of 45 high school students, 27 of them took Physics, 27 of them took Economics, and 10 took both subjects. How many of them took neither Physics nor Economics? 4. Out of 90 people, 24 can both swim and ski, and 15 cannot swim nor ski. If 64 people can swim, how many people can ski? 5. There are 30 tables numbered 1-30 which are equally spaced around a round garden in the number order. What is the number of the table directly across from the table numbered 10? 6. The charge for a taxi ride in a city is $2.50 for the first mile and then $0.95 for each additional mile. What is the cost for a ride of 16 miles? 7. Sofia spent exactly $1 for 5-cent stamps and 11-cent stamps. How many 5-cent stamps did she buy? 8. If the cost of 4 apples is equal to the cost of 5 oranges, and the cost of 7 oranges is equal to the cost of 8 pears. How many apples would have the same cost as 40 pears? 9. The edges of a square area is 500 yards. Nick go 160 yards due east from the center of the square , and then walk 100 yards due north. In which of the following will Nick walk out of square ranges from current point?
I. due south 378 yards
II. due north 81 yards
III. due west 656 yards 10. A fast clock gains 2 minutes per hour and a slow clock loses 8 minutes per hour. At a certain time, both clocks are set to the correct time. At some point in the next 6 hours, the slow clock registered 04:00, and at the same moment the fast clock registered 05:00. What was the correct time at that moment (Express your answer as HH:MM)? |