(1b) Andre lives 1.6 km from school. What is 50% of 1.6 km?

(a)  

(1c) Diego lives 1/2 mile from school. What is 50% of 1/2 mile?

(a)  

(2) There is a 10% off sale on laptop computers. If someone saves $35 on a laptop, what was its original cost? If you get stuck, consider using the table.

(a)  

(3a) 15 is what percentage of 30?

(a)  

(3b) 3 is what percentage of 12?

(a)  

(3c) 6 is what percentage of 10?

(a)  

(6) Lin and Andre start walking toward each other at the same time from opposite ends of 22-mile walking trail. Lin walks at a speed of 2.5 miles per hour. Andre walks at a speed of 3 miles per hour. Here is a table showing the distances traveled and how far apart Lin and Andre were over time. Use the table to find how much time passes before they meet.

(a)