Home

Home | Number Concept | Ratio | Additional Investigations | Dreaming in a lifetime


Dreaming in a Lifetime


It is said that the average life span is 72 years. If 6 of these years are spent dreaming and the dreams are spread out so that 30% of your dreaming occurs uniformly during your first 20 years, then how many years has a 14 year old spent dreaming?

(Source: Adapted from Mathematics Teaching in the Middle School, May 1998).



Submit your idea for an investigation to InterMath.