# Algebra

posted by
**Lori** on
.

Susan drove for 2 hours at 85 km/hr and then for 3 hours more at 95 km/hr. What was her average speed for the entire trip?

posted by
**Lori** on
.

Susan drove for 2 hours at 85 km/hr and then for 3 hours more at 95 km/hr. What was her average speed for the entire trip?