1. Jack has a number of 4 foot poles and a number of 6 foot poles. If he lays all the 4ft. Poles in a line, they have the same total length as laying all the 6ft. poles in a line. Altogether he has 20 poles. How many 6 ft. poles does he have?

2. Two clocks are set at 6 A.M. One clock gains 30 seconds every hour and the second clock loses 1 minute every hour. At what time will the faster clock be 30 minutes ahead of the second clock?

3. In a foreign country coins are called parns, arns, and darns. Four parns and 1 arn equal 1 darn. Two arns and 1 darn equal 10 parns. How many parns would equal 1 darn?

4. Rob cleans yards on Saturdays. One Saturday morning he started out with $5 in his pocket. He cleans three yards charging the same for each. He ended up with $23 in his pocket. How much money did Rob have in his pocket after he cleaned the first yard?

5. A farmer builds a fence for his chickens in the shape of a pentagon, as shown. Each of the 5 sides has equal length, but the fence along the highway costs twice as much as any one of the other 4 sides. If the total cost of fencing was $1800, how much did the highway fence cost?