David and Goliath

That's why so many cultures around the world have a proverb to describe the difficulty of raising children in an atmosphere of wealth. In English, the saying is "Shirtsleeves to shirtsleeves in three generations." The Italian say, "from stars to stables". In Spain it's "he who doesn't have it, does it, and he who has it, misuses it". Wealth contains the seeds of its own destruction.

A bat and a ball cost $1.10 in total. The bat costs $1.00 more than the ball. How much does the ball cost?

If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?