DAY 46
Why would it take a plane flying from San Fracisco to New York nonstop longer than the same type of plane flying from New York to San Francisco nonstop, when weather, speed, winds, and all flying conditions were identical each way?

Answer:

The rotation of the earth from west to east would make the flight from San Francisco to New York longer.

DAY 47
Find two positive numbers that have a one-digit answer when multiplied and a two-digit answer when added.

Answer:

1 and 9