Answer:
The number of salespeople to be assigned to each shift is;

Step-by-step explanation:
Using Hamilton's method.
let d represent the divisor.

total average number of customers for the day is the sum of all the average given;

The total number of salespeople to be apportioned is given as 19.
the divisor d is;

To determine number of salespeople N to assign to each shift, we will divide the average number A of customers in that shift by the divisor d.
for morning;
A=105

for midday;
A=300

for afternoon;
A=450

for Evening;
A=475

To get an exact whole number let us round each up to the nearest whole number.
The final answer is;
