Akshaya has 2 rupees and 5 ruppes in her purse. If in all she has 50 coins totally 220 ruppes. How many coins of each kind does she have
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Answer: she have 10 coin of 2ruppee and 40 coin of 5 ruppee
Step-by-step explanation:
----> Let no.of 2ruppee coin be x
----> Let no. of 5ruppee coin be y
>>>>x+y=50. becoz she have total 50 coin
>>>>>x=50-y............ Substitute in below equation
2x + 5y= 220
2(50-y)+5y=220
100-2y+5y=220
100+3y=220
3y=120
y=40
Therefore x=10
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