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What is the value of #frac{1}{2}# of (4#frac{7}{10}#-1#frac{1}{2}#)#div# #frac{4}{5}#+1#frac{1}{3}##times# 1#frac{1}{2}# ?
A. #frac{4}{7}#
B. #1frac{3}{4}#
C. 4
D. 3