Math Pages

• One in sixty rule
• Reciprocals
• Get down

Estimating ETA

• Chew on This
• Sixes and sixties
• Two-bit math
• It's in the percentages
• Leading a DME arc

Fun Stuff

• Change?
• Ace on top
• Ferry Pilots
• Pilots and Mechanics
• Add Fast

Change?

I have two coins that total to 30 cents. One of them is NOT a nickel. What are they?

Answer