Answer:
m/h = k
Step-by-step explanation:
Money earned = m
Number of haircuts = h
m α h
m = kh
k is the constant of proportionality
Amount earned for 5 hair cuts = 15
n = 5 ; m = 15
Earning for the job = k
From m = kh
Divide both sides by h
m / h = kh/h
m/h = k
15/5 = 3
Earning for the job = $3