Problema Solution
A STUDENT WALKS AND JOGS TO COLLEGE EACH DAY. SHE AVERAGES 5KM/H. WALKING AND 9KM/H JOGGING. THE DISTANCE FROM HOME TO COLLETE IS 8KM., AND SHE MAKES THE TRIP IN 1HR. HOW FAR DOES THE STUDENT JOG?
Answer provided by our tutors
he jogs for x Km
x/9 + (8-x)/5 = 1
5x + 72 - 9x = 45
4x = 27
x = 27/4 = 6.75 KM