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In a group of equal number of cows and herdsmen the number of legs was 28 less than four times the number of heads the number of herdsmen was

A7

B28

C21

D14

Answer:

D. 14

Read Explanation:

let the number of cows and herds man be x 4 * 2x -28 = x * 2 + x * 4 8x - 28 = 2x + 4x, 8x - 6x = 28 2x = 28, x=14


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