Question 8
A car went a distance of 90 km at a steady speed and returned along the same route at half that speed. The time needed for the whole round trip was four hours and a half. Find the two speeds.
Answer entry: Enter outbound; return speeds in km/h, separated by a semicolon.
**Editorial input note:** Use no spaces before or after semicolons.
Answer entry: Enter outbound; return speeds in km/h, separated by a semicolon.
**Editorial input note:** Use no spaces before or after semicolons.