Devashi has a total of Rs. 590 as currency notes in the denomination of Rs. 50, Rs. 20 and Rs. 10. The ratio pf the number of Rs. 50 notes and Rs. 20 notes is 3:5. If she has a total of 25 notes, how many notes of each denomination she has?
Answers
Answer:
Given Devshi has 590 Rupees
RS50,20&10 are there ⇒ Total 25 notes
Rs50&Rs20 ⇒3:5
Notes of Rs50=3x
Notes of Rs20=5x
Notes of Rs10=25−(3x+5x)=25−8x.
Amount in 50 Rupee notes ⇒50×3x=150x
Amount in 20 Rupee notes ⇒20×5x=100x.
Amount in 10 Rupee notes ⇒10(25−8x)=250−80x
Total Amount =590
⇒150x+100x+250−80x=590
⇒250−80x=590−250
⇒170x=340
∴x=2
So Deveshi has
Notes of Rs.50=3(2)=6i.e;150(2)=300Rs.
Notes of Rs.20=5(2)=10i.e;100(2)=200Rs.
Notes of Rs.10=25−8(2)=9i.e;=90Rs
Step-by-step explanation:
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