Raj's Razors Manufacturing Company has four production facilities. The table below gives the coordinates and number of weekly shipments for each plant. Raj's Razors is planning to build a warehouse, which will ship raw materials to the manufacturing plants. Calculate the location (that is, the coordinates) that will minimize shipping costs. (Round each part of your answer to one decimal place.)
Location (x,y) Weekly Quantity
A 3,7 15
B 6,9 20
C 6,9 25
D 9,1 30