math
posted by Anonymous .
The formula R = 0.075t+3.85 can be used to predict the world record in the 1500 meter run, t years after 1930. Determine an inequality that world record will be less than 2.8 minutes.
Solve for t.

If we ignore the total silliness of the question
0.075t+3.85 < 2.8
t > 14
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