Answer:
We sale 86 units in europe and 9 un the US to maximize revenue
Explanation:
Being revenue:
Qunatity EU x Price EU + Quantity US x Price US
we want to maximize this function:
[tex]Q_e \times (10 - 0.05Q_e) + Q_{US} \times (20 - Q_{US})[/tex]
givne the constrain Qe + Qus = 95
we solve using excel solver
            Europe   US     Total
1  Quantity   86       9    95
2  Price       5.7    11
3 Â Revenue 490.2 99 Â Â 589.2
we maximize D3 changing cells B2 and C2