a purse contains ₹320in denomination of₹10 and₹20.if the number of ₹10 notes is five more than that of₹20notes . find the number of notes of each denomination
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a purse contains ₹320in denomination of₹10 and₹20.if the number of ₹10 notes is five more than that of₹20notes . find the number of notes of each denomination
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Answer:
let the no. of rs20 notes = x
the no. of rs10 notes = x +5
value of rs 20 notes = 20x
value of rs 10 notes =10x +50
as per question,
20x +10x+50 =320rs
30x= 320 - 50
x = 270 / 30
x = 9
therefore no. of rs 20 notes =9
no. of rs 10 notes = x+5 =9+5=14
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20NOTE= 20x
10NOTE=10x + 50
20x + 10x + 50 = 320
30x + 50 = 320
30x = 320-50=270
X=270/30=9
20x = 9x20=180
10x=9x10 +50 =140
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