An air freight company has three types of aircraft which carry three types of cargo. The payload, in tons, is summarized in the table below. 
Each day of the holiday season, the company must move 75 tons of mail, 50 tons of medical supplies, and 55 tons of freight. This system of equations can be represented by the matrix: 
. Reduce this matrix to calculate how many aircraft of each type should be used.
What will be an ideal response?
; 15 passenger planes, 5 transport planes, and 25 commuter planes.
Mathematics
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