Problema Solution
Excluding managers, there are 22 full-time employees working at a large shop. New employees receive $9.50 per hour, while more experienced workers average $12.90 per hour. The company spends $273.60 per hour in wages, not counting benefits. Find the number of each type of worker.
Answer provided by our tutors
Let no. of new employees be x and old be y.
Then,
x+y=22
9.5x+12.9y=273.6
or, 9.5x+9.5y=209
9.5x+12.9y=273.6
or, -3.4y=-64.6
or, y=64.6/3.4 =19
x+17=22
or, x=22-17=5