Solver Challenge

You are requiring that price is less than price_calc, and rooms is greater than min rooms. Let's take the first row with data, 2, and see what happens with different values for the binary var (in column D).

If we set D2 to 1, the second constraint is satisfied (3>2), but the first isn't (78650<60000). And if we set D2=0, the first is satisfied but the second isn't. So...

What you are really asking to Solver is: choose among the rows that satisfy both constraints, and maximize their sum. One way to express this problem is to check with a logical expression if one bin var can be chosen, for instance

=--AND(A2<=F2,B2>=H2)

and remove the other constraints, which are not needed anymore.

HTH,

Francesco

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