Mrs. chen owns two pieces of property. the areas of the properties are 77,120 square feet and 33,500 square feet.
43,560= 1 acre
find the total number of acres mrs. chen owns, to the nearest hundredth of an acre and explain how to do it.

First add the two areas of the properties together. 
77120 + 33500 = 412120 square feet
Divide this number by 43560 to get the number of acres.
412120/43560 = 9.46

9.46 acres

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