Mathematics

Erik Simpson

4 November, 04:54

Exponential model word propiems

Of all eligible voters in your county, 70% are currently registered to vote.

A recent poll predicts that the relationship between V, the percentage of all eligible voters who are registered to

vote, and t, the number of years from now will be modeled by the following equation.

V = 100 - 30. e-0.047

In how many years will 80% of all eligible voters in your county be registered to vote?

Give an exact answer expressed as a natural logarithm.

years