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0÷(-100) please give me solution and steps I have answers |
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Answer» Step-by-step explanation: Solution: Let the number of COWS be x and their legs be 4x. Let the number of chicken be y and their legs be 2x. Total number of legs = 4x + 2y. Total number of HEADS = x + y. The number of legs was 14 more than twice the number of heads. Therefore, 2 × (x + y) + 14 = 4x + 2y. or, 2x + 2y + 14 = 4x + 2y. or, 2x + 14 = 4x [subtracting 2y from both sides]. or, 14 = 4x – 2x [subtracting 2x from both sides]. or, 14 = 2x. or, x = 7 [dividing by 2 on both sides]. Therefore, the number of cows = 7. Answer: (B) |
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