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11 - 2 = 9 units of chicken
9 - 2 = 7 units
7 units = 42 more chickens than Duck
1 unit = 6
Total duck + chicken = 11 units
= 6 x 11
= 66
9 - 2 = 7 units
7 units = 42 more chickens than Duck
1 unit = 6
Total duck + chicken = 11 units
= 6 x 11
= 66
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