2000 × 15% = 300
300 × 5 = 1500
2000 - 1500 = 500 population after 5 years
He drives 62 miles per hour.
And yes, you are right, (496 miles after 8 hours)

Differentiate both sides wrt
:

By the chain rule, we get


Solve for
:


It is 0.088 this is just for the 20 characters so dont read this fhehfhryhfrhuehhfuyrhuyhfhefheufrhfyer