P735 similar to dental offices for the past 10 years Her sta
Solution
Budget
Let us assume that X = Number of offices cleaned by experienced employee
Y = Number of offices cleaned by less experienced employee
We get the following two equations
X + Y = 290 and 40*X + 20*Y = 7,540 (Total lobor cost, $40 per room for experienced and $20 per room for les - experienced)
We solve the equations as follows.
Multiplying the first equation by 20 and subtracting the first from the second
40X + 20Y = 7,540
20X + 20Y = 5,800
20X = 1,740
X = 87
Y = 203
Therefore the budget is for 87 rooms cleaned by experienced employee, and 203 to be cleaned by less experienced employee.
Actual
Let us assume that X = Number of offices cleaned by experienced employee
Y = Number of offices cleaned by less experienced employee
We get the following two equations
X + Y = 320 and 40*X + 20*Y = 7,940 (Total lobor cost, $40 per room for experienced and $20 per room for les - experienced)
We solve the equations as follows.
Multiplying the first equation by 20 and subtracting the first from the second
40X + 20Y = 7,940
20X + 20Y = 6,400
20X = 1,540
X = 77
Y = 243
Therefore the actual expenses are for 77 rooms cleaned by experienced employee, and 243 to be cleaned by less experienced employee.
