4) Duet

1. A farmer combined two compost heaps with three others. How many compost heaps does he have?
2. A large family contains seven sons and each one of them has one sister. How many people are in the family?

3) Allowance

On the way home from school Tom found out that he got only half the allowance that Mark got. (Mark is not much older than Tom.) Suzi is three years older and receives three times what Tom gets. Together, the three receive $144.

How much is each student actually getting?

2) Classmates

Bob, Tim and Lisa are classmates, but they differ greatly in their heights. Tim is 14 inches taller than Lisa. The difference between Tim and Bob's height is two inches less than between Bob and Lisa's. Tim at 6 feet 6 inches is the tallest in the class.

How tall are Bob and Lisa?

1) 100 Storks

How long would it take 100 storks to catch 100 frogs when five storks need five minutes to catch five frogs?