1.(2012 AMC8 20) What is the correct ordering of the three numbers 5/19, 7/21, and 9/23, in increasing order?
2.(2011 AMC8 1) Margie bought 3 apples at a cost of 50 cents per apple. She paid with a 5-dollar bill. How much change did Margie receive?
3.(2011 AMC8 2) Karl’s rectangular vegetable garden is 20 feet by 45 feet, and Makenna’s is 25 feet by 40 feet. Whoes garden is larger, by how much?
4.(2008 AMC8 2) The ten-letter code BEST OF LUCK represents the ten digits 0-9, in order. What 4-digit number is represented by the code word CLUE?
5.(2015 AMC8 3) Jack and Jill are going swimming at a pool that is one mile from their house. They leave home simultaneously. Jill rides her bicycle to the pool at a constant speed of 10 miles per hour. Jack walks to the pool at a constant speed of 4 miles per hour. How many minutes before Jack does Jill arrive?
6.(2013 AMC8 4) Eight friends ate at a restaurant and agreed to share the bill equally. Because Judi forgot her money, each of her seven friends paid an extra $2.50 to cover her portion of the total bill. What was the total bill?