A total of Rs. 80000 is to be distributed among 200 persons as prizes. The prize is either Rs. 100 or Rs. 500. Find the number of both the prizes
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Let no. of prizes costing 100 = x
Let no. of prizes costing 500 = y
Total prizes = (200 = x + y) ----------1
Total cost of prizes = 80000
Hence,
80000 = 100x + 500y ----------2
From 1
x = 200 - y
Put this in 2
80000 = 100(200-y) + 500y
80000 = 20000 - 100y + 500y
60000 = 400y
150 = y
Hence,
x = 50 and y = 150
Let no. of prizes costing 500 = y
Total prizes = (200 = x + y) ----------1
Total cost of prizes = 80000
Hence,
80000 = 100x + 500y ----------2
From 1
x = 200 - y
Put this in 2
80000 = 100(200-y) + 500y
80000 = 20000 - 100y + 500y
60000 = 400y
150 = y
Hence,
x = 50 and y = 150
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