Mathematics, 30.08.2019 02:20 tommyaberman
Asurvey of 500 farmers showed that of the farmers, 129 grew only wheat, 111 grew only corn, 93 grew only oats, 206 grew wheat, 58 grew wheat and corn, 53 grew wheat and oats, and 178 grew corn. determine the number of farmers who a) grew at least one of the three, b) grew all three, c) did not grow any of the three, and d) grew exactly two of the three.
a) of the farmers, grew at least one of the three crops.
b) of the all three crops.
c) of the farmers, not grow any of the three crops.
d) of the farmers, exactly two of the three crops.
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