The cost of a book is $1 and a whole number of cents. The total cost of six copies of the book is less than $8. However, the total cost of seven copies of the same book at the same price per book is more than $8. What is the least a single copy of the book could cost?
Problem #2
The sum of all digits in the numbers 34, 35, and 36 is 24 because (3+4)+(3+5)+(3+6)=24. Find the sum of all digits in the first twenty-five counting numbers: 1, 2,3, ..., 23, 24, 25
Problem #3
Alice earned a total of $65 for working five days after school. Each day after the first day, she earned $2 more than she earned the day before. How much did she earn on the first day?
Problem #4
Each of the small boxes in the figure is a square and the area of the figure is 52 square units. How many units are there in the outer perimeter of the figure?
Problem #5
A work team of four people completes half of a job in 15 days. How many days will it take a team of ten people to complete the remaining half of the job? (Assume that each person of both teams works at the same rate as each of the other people.)
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