ONLINE AMC 8 PREP WITH AOPS
2005 AMC 8 Problems
These are equivalent problems, but modified in form but preserving original math idea.
1. Shannon multiplies a number by 2 and gets 64 as her answer. However, she should have divided the number by 2 to get the correct answer. What is the correct answer?
(A) 8 (B) 16 (C) 32 (D) 128 (E) 256
2. Kent bought five notebooks from Pay-More at a cost of 4 dollars each. Pay-More had a 25%-off sale a week later. How much could Kent have saved on the purchase by waiting for the sale?
All numbers are in dollars: (A) 1.00 (B) 2.50 (C) 5.00 (D) 7.50 (E) 10.00
Answers:
1.B 2.C