The simplified expression for the total cost is 124000 - 650n and the cost if 65 workers choose desktop computers is 81750
<h3>Write and simplify an expression for the cost of all the computers </h3>
The given parameters are:
Number of workers = 80
Cost of desktop = $900
Cost of laptop = $1550
If n workers choose desktop computers, then 80 - n workers choose laptop computers
So, the expression for the cost of all the computers is
Total cost = 900n + 1550 * (80 - n)
Expand
Total cost = 900n + 124000 - 1550n
Evaluate the like terms
Total cost = 124000 - 650n
Hence, the simplified expression for the total cost is 124000 - 650n
<h3>Find the cost if 65 workers choose desktop computers.</h3>
This means that n = 65.
So, we have:
Total cost = 124000 - 650* 65
Evaluate
Total cost = 81750
Hence, the cost if 65 workers choose desktop computers is 81750
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