hey i missed class and i missed the steps to solving word problems and its killing me, final exam is 2moro please help and show me the steps much appreciated 
A jogger is moving one third the speed of a cyclist.
A walker is moving two-thirds the speed of the jogger.
The sum of their speeds is 42 km/hr.
What is the speed of each person
A jogger is moving one third the speed of a cyclist.
A walker is moving two-thirds the speed of the jogger.
The sum of their speeds is 42 km/hr.
What is the speed of each person