A total of rupees 50000 is to be distributed among 200 persons at prices.A prices is either rupees 500 or 100. find the number of each types of prices.
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LET THE NUMBER OF 500RS NOTE =x
LET THE NUMBER OF 100RS NOTE BE =y
x+y=200
500x + 100y=50000
5x + y=5000[dividing both sides by hundred]
5x+y-x-y=5000-200
4x=4800
x=1200
y=-1000
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