Answer Happy

A golf-course designer travels 2 520 km in a corporate jet and then an additional 420 km by car in order to arrive at a particular project site. The speed of the jet is 8 times the speed of the car. If the car ride takes 1 h longer than the ride in the jet, then how much time does the designer spend travelling by car? A. 3 h C. 3.75 h B. 3.5 h D. 4 h

The perimeter of the isosceles triangle shown in the diagram on the right could be written 7x+m The value of m must be units. x(x+2) 3/x . 1/(x+2)