DAY 101
Two friends, Ira Member and Joe King, were running as fast as they could. They averaged 6 miles per hour, and then had to rest. On the way back, they averaged ony 4 miles per hour for the same distance. Not counting resting time, what was their average speed?

Answer:

4.8 miles per hour........If they ran 12 miles each way, it would have taken 2 hours up and 3 hours back............5 hours to run 24 miles.

DAY 102
The NASA Space Shuttle uses 1,000,000 gallons of fuel in the first 81/2 minutes of flight and reaches a speed of 25,ooo miles per hour. What is its fuel efficeincy? (Assume a constant speed of 25,000 mph.)

Answer:

Approximately .002 of a mile per gallon, or 500 gallons per mile.