In an envelope there are some 5 rupee notes and some 10 rupee notes. Total amount of these notes together is 350 rupees. Number of 5 rupee notes are less by 10 than number of 10 rupee notes. Then find the number of 5 rupee and 10 rupee notes.
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Answer:
5 rupee notes as x
10 rupee notes as y
then, 5x + 10y = 350
they given that ,
x = y -10 so,
x + 10 = y
substitute this equation in 5x +10y =350
5x + 10 ( x +10) = 350
this clue is enough i think so, thq
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