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Simultaneous linear equation by eleminitaion method solve: A man buys postage stamps of denominations 25 paise and 50 paise for 10.He buys 28 stamps in all. Find the number of 25 paise stamps bought by him. |
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Answer» Step-by-step EXPLANATION: Let's assume that the number of 3 paise and 5 paise tickets are x and y respectively According to question 3x+5y=100.....(i) x+y=22...........(ii) multiplying EQUATION (ii) with 5 on both side 5x+5y=110.......(iii) subtracting equation (i) from equation (iii) 2x=10 x=5 so the men bought 5 number of 3 paise tickets |
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