A bag has 50paisa and 25paisa coins.The total number of coins is 94 and their value is ₹29.75.Find the no. Of 50paisa and 25paisa coins. Solution of linear equqtion in two variable.
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0.50 X + (94-X) x 0.25 = 29.75
0.50 X + 23.50 - 0.25 X = 29.75
0.25 X = 29.75 - 23.50
0.25 X = 6.25
X = 6.25 / 0.25
= 625 / 25
= 25
No of 50 paise coin = 25
No of 25 paise coin = (94-25) = 69
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