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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.​

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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