An Introduction to Verbal Problems
Aviva Chaya, age 11, solves an advanced consecutive number problem
Hands-On Equations Verbal Problems Book, Page 42/Example 9
"A student was thinking of three consecutive odd numbers. She said that when the middle number was tripled, and then increased by the first number, the result was identical to that which occurred when the third number was doubled, and increased by 20. Find the number."