Answer to Question #20121 in Abstract Algebra for Alicia Dunigan
2m + w/2 + c/4 = 24 (1)
m + w + c = 24& (2)
mєN, wєN, cєN.
Let's solve it. Subtracting equation (1) from doubled equation (2) we obtain:
1.5w + 1.75c = 24 (3)
w and c have to be integers, and (3) can only be satisfied if w = 2 and c = 12. Therefore,
m = 24 - c/4 - w/2 = 24 - 12/4 - 2/2 = 20.
So, there were travelling 20 men, 2 women and 12 children.
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