A model for how long our coal resources will last is given by where r is the percent increase in consumption from current levels of use and T is the time (in years)before the resources are depleted. What percent increase in consumption of coal will deplete the resources in 38.1 years? Round to the nearest tenth of a percent.
A)9.9%
B)8.7%
C)10.5%
D)10.1%
E)8.1%

Question

A model for how long our coal resources will last is given by  where r is the percent increase in consumption from current levels of use and T is the time (in years)before the resources are depleted. What percent increase in consumption of coal will deplete the resources in 38.1 years? Round to the nearest tenth of a percent.
A)9.9% 
B)8.7% 
C)10.5% 
D)10.1% 
E)8.1%

Quizplus · Accepted Answer

The Answer of A model for how long our coal resources will last is given by  where r is the percent increase in consumption from current levels of use and T is the time (in years)before the resources are depleted. What percent increase in consumption of coal will deplete the resources in 38.1 years? Round to the nearest tenth of a percent.
A)9.9% 
B)8.7% 
C)10.5% 
D)10.1% 
E)8.1%

A Model for How Long Our Coal Resources Will Last