FOR CHILDREN

PROBLEM # 1
My age three years hence multiplied by 3, and from that subtract three times my age three years ago will give you my exact age. What is my age?

FOR GROWNUPS 

PROBLEM # 2

Let x be a real number. Which is greater sin(cos(x)) or cos(sin(x))?

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Problem Solutions 11/01/07

PROBLEM # 1
On my walk to school, I travelled at three different speeds: for the first mile, I traveled at 6 mph; for the second mile I traveled at 2 mph; and for the final mile, I traveled at 3 mph. What was my average speed for the entire trip.

Solution:
3 mph.
 
FOR GROWNUPS 

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