Word Problems (2)( Week 44 Practice) 1. How many boxes which can hold 8 apples are needed to hold 144 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: Ed, Jane, Ben. After sort: , , . 3. In a group of 58 high school students, 24 of them took Economics, 31 of them took Science, and 13 took both subjects. How many of them took neither Economics nor Science? 4. Out of 120 people, 20 can ski, 110 can swim, and 26 can both swim and ski. How many people cannot swim nor ski? 5. 5 pencils and 7 pens cost 192 cents. 7 pencils and 5 pens cost 168 cents. How many more cents does a pen cost than a pencil? |