let the number of phones be and the number of dectersOriginally Posted by danielwu
can you get it from there??
if not let me know..
Solve the given problems by determinant. Set up appropriate systems of equations. all numbers are accurate to at least two significant digits
A person spent 1.10h in a car going to an airport, 1.95h flying in a jet, and 0.520h in a taxi to reach the final destination. the jet's speed averaged 12.0 times that of the car, which averaged 15.0 km/h more than the taxi. what was the average speed of each if the trip covered 1140km?