Interactive version of problem and solution.
Friday, October 30, 2009
Thursday, October 29, 2009
Wednesday, October 28, 2009
Tuesday, October 27, 2009
Monday, October 26, 2009
Friday, October 23, 2009
Thursday, October 22, 2009
Wednesday, October 21, 2009
Tuesday, October 20, 2009
Monday, October 19, 2009
Friday, October 16, 2009
October 16, 2009
A teacher gave a test to a class in which 10% of the students are juniors and 90% are seniors. The average score on the test was 84. The juniors all received the same score, and the average score of the seniors was 83. What score did each of the juniors receive on the test?
Thursday, October 15, 2009
Wednesday, October 14, 2009
Tuesday, October 13, 2009
Friday, October 9, 2009
Thursday, October 8, 2009
October 8, 2009
Some boys and girls are having a car wash to raise money for a class trip to China. Initially 40% of the group are girls. Shortly thereafter two girls leave and two boys arrive, and then 30% of the group are girls. How many girls were initially in the group?
Interactive version of problem and solution.
Interactive version of problem and solution.
Wednesday, October 7, 2009
Tuesday, October 6, 2009
October 6, 2009
Kate rode her bicycle for 30 minutes at a speed of 16 mph, then walked for 90 minutes at a speed of 4 mph. What was her overall average speed in miles per hour?
Monday, October 5, 2009
Friday, October 2, 2009
Thursday, October 1, 2009
Subscribe to:
Posts (Atom)