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Jon and his twin sister, together with their 3 younger brothers, are wrapping presents. Each of the younger brothers can wrap presents at 1/4 of the rate that Jon and their older sister can each wrap presents. If all 5 children wrap presents at the same time, in what fraction of the time that it would take Jon and his twin sister to wrap 10 presents together will all 5 children working together take to complete the task?
A) $$\frac{2}{11}$$
B) $$\frac{4}{11}$$
C) $$\frac{8}{11}$$
D) $$\frac{11}{8}$$
E) $$\frac{11}{2}$$
A) $$\frac{2}{11}$$
B) $$\frac{4}{11}$$
C) $$\frac{8}{11}$$
D) $$\frac{11}{8}$$
E) $$\frac{11}{2}$$
