A lady has 25 paise and 50 paise coins in her purse if in all she has 40 coins totalizing rupees 12.50 find the number of coins of each type she has
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Number of 50 paise coins =x
number of 25 paise coins=y
x+y=55---(1)
50x+25y=2125
divide each term with 25
2x+y=85----(2)
subtract (1) from (2)
x=30
substitute x=30 in (1) u get
y=25
therefore
number of 50paise coins=x=30
number of 25 paise coins=y=25
number of 25 paise coins=y
x+y=55---(1)
50x+25y=2125
divide each term with 25
2x+y=85----(2)
subtract (1) from (2)
x=30
substitute x=30 in (1) u get
y=25
therefore
number of 50paise coins=x=30
number of 25 paise coins=y=25
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