a sum of rupees 500 in the form of denominations of rupees 5 and rs 10 if the total number of notes is 90 find the number of notes of each denomination
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Pata nahi bhai but u can ask other people for help
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total no of notes = 90 no of 5 rupee notes = x no of 10 rupee notes = 90-x 5[x]+10[90-x]=500 5x+900-10x=500 900-5x=500 -5x=500-900 -5x=-400 x= -400/-5 x = 80 5 rupee notes = 80 10 rupee notes=90-x=90-80=10notes
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