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A man has rupees hundred in Rupees 1 coins and 50 paise coins . All the 50 paise coins are worth as much as all Rupees 1 coins . How many coins of each he has ?
(Class 10th ... Chapter - Linear equations in 2 variables )
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Answer:
yoir answer is 50 and 100
Step-by-step explanation:
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SOLUTION
Number of 50paise coins= x
Number of 100paise coins= y
according to given condition,we get
=) 50x=100y-----(1)
=)50x+100y= 100Rs.(100Rs.= 100×100= 10000Paise)
=)50x+100y= 10000paise-------(2)
solving (1)&(2) by eq^n coefficient method, we get
=) 50x-100y=0
50x+100y=10000
=)-200y= -10000
=) y= -10000/-200
=)y= 50
Now, put y= 50 in(1) equation, we get
=)50x= 100y
=)50x= 100(50)
=)50x= 5000
=) x= 5000/50
=)x= 100
Number of 50 paise coins= 100
Number of 100paise coins= 50
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