Mindy made three purchases for , , and . What was her total, to the nearest dollar? Solution On the AMC 8 contest Billy answers 13 questions correctly, answers 7 questions incorrectly and doesn't answer the last 5. What is his score?
2009 AMC 12A Answer Key 2009 AMC 12A真题答案 A C B A D E B A D C E B D B D D C B C E C E D E A
Theresa's parents have agreed to buy her tickets to see her favorite band if she spends an average of hours per week helping around the house for weeks. For the first weeks she helps around the house for , , , and hours. How many hours must she work for the final week to earn the tickets?
2010 AMC 12B Answer Key 2010 AMC 12B真题答案 C A E B D D C B E B E D C B D E D C E E B D A C D
Susan had 50 dollars to spend at the carnival. She spent 12 dollars on food and twice as much on rides. How many dollars did she have left to spend?
2011 AMC 12B Answer Key 2011 AMC 12B真题答案 C E C E A C B A D E B A B D D C B A B C D D C B D
Bridget bought a bag of apples at the grocery store. She gave half of the apples to Ann. Then she gave Cassie 3 apples, keeping 4 apples for herself. How many apples did Bridget buy?
E D C B D A C B B D D D B B D D B C D D D D B E E
At Euclid Middle School the mathematics teachers are Miss Germain, Mr. Newton, and Mrs. Young. There are students in Mrs. Germain's class, students in Mr. Newton's class, and students in Mrs. Young's class taking the AMC 8 this year. How many mathematics students at Euclid Middle School are taking the contest?
