Posted by **Melody** on Friday, October 2, 2009 at 2:15pm.

The formula R= -0.075t + 3.85 can be used to perdict the world record in the 1500 meter run, t years after 1930. Determine an inequality that identifies the years in which the world record will be less than 3.4 minutes.

Soleve for t.

t >__? round to the nearest whiole number.

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