A man has some cows and hens .If the number of heads be 48 and number of feets is 140,the number of hens will be . experts please give full solution of this
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abhiviv:
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Heya!
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♦A man has some cows and hens . If the Number of heads be 48 and number of feets is 140 , the Number of hens will be ?
➰Let the Number of Hens be 'x'
➰Let the Number of Cows be 'y'
♦According to the given question =>
==============================
◾x + y = 48..................(1) [ Since each one has One head ]
◾2x + 4y = 140 [ Since Cows have 4 and hens have 2 feet ]
=> x + 2y = 70.................(2)
➰Solving (1) and (2) by Elimination Method =>
========================================
=> y = 22
==========
=> x = 26
=========
◾Hence the Number of Hens are (x) => 26 ✔
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--------
========================================================
♦A man has some cows and hens . If the Number of heads be 48 and number of feets is 140 , the Number of hens will be ?
➰Let the Number of Hens be 'x'
➰Let the Number of Cows be 'y'
♦According to the given question =>
==============================
◾x + y = 48..................(1) [ Since each one has One head ]
◾2x + 4y = 140 [ Since Cows have 4 and hens have 2 feet ]
=> x + 2y = 70.................(2)
➰Solving (1) and (2) by Elimination Method =>
========================================
=> y = 22
==========
=> x = 26
=========
◾Hence the Number of Hens are (x) => 26 ✔
===========================================================
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