A plot of land is 24.6 acres in size. A field next to the plot of land contains 18.9 acres. A local developer buys both pieces of property to make a community center that will use 9/25 of the total property purchased. How many acres of land will the developer need to build the community center? (Please explain how you got the answer)
A. 8.86 acres
B. 6.80 acres
C. 15.66 acres
D. 7.83 acres