A purse contain rs 550 in notes of denomination of rs 10 and rs 50. If the number of rs 50 notes is one less than of rs 10 notes, then find the number of rs 50 notes.
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let 10 rs note be x
50 rs note x-1
value of notes
50 rs = 50 (x-1)
=50x-50
10 rs = 10x
A.T.O.
10x +50x -50 = 550
x = 10
50rs note = x-1
=10 -1 = 9
50 rs note x-1
value of notes
50 rs = 50 (x-1)
=50x-50
10 rs = 10x
A.T.O.
10x +50x -50 = 550
x = 10
50rs note = x-1
=10 -1 = 9
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