Question

A large community college has professors and lecturers. The total number of faculty members is 228. The school reported that it had 5 professors for every 14 lecturers. How many of each type of faculty member does the community college employ?

Answer 1

60 professors and 168 lecturers

Explanation:

What you have is a 2 equations system with 2 unknown variables.

Let X be the number of professors and Y be the number of lecturers. As the total of both is 228:

X + Y = 228

Then, as there are 5 professors for every 14 lecturers:

5 X = 14 Y or X = (14/5) Y

Replacing this last value of X on the first equation:

(14/5) Y + Y = 228

(14/5) Y + (5/5) Y = 228

(19/5) Y = 228

Y = 228 * (5/19)

Y = (228*5)/19

Y = 1140 / 19

Y = 60

Then we can find X:

X = (14/5) Y = (14/5) * 60 = 168

X = 168

:)