therefore
Methyl ethylene propylene
Price 3 2 1
Commuting 1 2 3
Corresponding primary and secondary schools 3 2 1
Living environment 2 3 1
According to the requirements of the topic, the weights of the four factors are (0.3, 0.2, 0.25, 0.25) to simplify the calculation.
The matrix multiplication is: c =
2.3500 2.2500 1.4000
Therefore, A meets the requirements best, so choose Room A! !