While driving on the highway, dave averages 60 miles per hour. in the city, he averages 30 miles per hour. on a trip to his grandmother's house, dave drives 2 3/5 hours on the highway and 1 1/5 hours in the city.

The volume of a rectangular prism is found by multiplying the length, width, and height of the prism. a rectangular prism has a width of 5x^2units, a length of 7x^3 units and a height of 2x^4 units. which is the volume of the prism in terms of x?