Bhumika has a total of Rs.1430 as currency notes in the denomination of Rs.100,Rs 50 and Rs.20 .The ratio of the number of Rs.100 notes and Rs.50 notes is 7:9 if she has a total of 30 notes how many notes of each denominations has she.
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Step-by-step explanation:
Let ₹100 be 7x and ₹ 50 be 9x.
No of ₹20=30-(7x+9x)=30-16x.
ATQ, 7x×100+9x×50+(30-16x)×20=1430
700x+450x+600-320x=1430
830x=830
X=1
No of ₹100 currency=7×1=7
No of ₹ 50 currency=9×1=9
No of ₹20 currency =30-61=14
Now I think your problem as well as concept is clear.Make this question as Brainleist.Thanks.
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