a purse contains Rs.550 in notes of denominations of Rs10 and Rs50. if the number of Rs.50 notes is one less than that of Rs. 10 notes, then find the number of each note.
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Answer:
9
Step-by-step explanation:
Total amount in a purse= 550
Let number of notes of 10 =x
The number of notes of 50= x-1
According to the condition,
x×10+(x−1)×50=550
⟹10x+50x−50=550
⟹60x=550+50=600
⟹x=10
50 rupees notes= 10-1= 9Total amount in a purse= 550
Let number of notes of 10 =x
The number of notes of 50= x-1
According to the condition,
x×10+(x−1)×50=550
⟹10x+50x−50=550
⟹60x=550+50=600
⟹x=10
50 rupees notes= 10-1= 9
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