A sum of 500 is in the form of denominations of 5 and 10. If the total number of notes is
90, find the number of notes of each type.
Sumitra has 34 in 50-paise and 25-paise coins. If the number of 25-paise coins is twice
11.11
Answers
Answered by
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Step-by-step explanation:
Let no. of notes of 5 = x
no. of notes of 10 = 90-x
ATQ
5(x)+10(90-x)=500
5x+900-10x=500
5x-10x=500-900
-5x=-400
x=400/5
=> x=80
=> no. of notes of 5 = 80
=> no. of notes of 10 = 90-80=10
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