a bag contains rs 1600 in the form of rs 10 and 20 rs notes if the ratio between the numbers of rs 10n20 notes is2:3find the total number of notes
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total value = 1600
ratio of ₹10 and ₹20 coins= 2:3
from question...
2x×10+3x×20= 1600
20x+60x= 1600
80x= 1600
x= 1600/80= 20
total number of notes= 20×(2+3)= 20×5= 100.
ratio of ₹10 and ₹20 coins= 2:3
from question...
2x×10+3x×20= 1600
20x+60x= 1600
80x= 1600
x= 1600/80= 20
total number of notes= 20×(2+3)= 20×5= 100.
Answered by
0
Answer:
100
Step-by-step explanation:
Let the number of Rs. 10 notes =2x
Let the number of Rs. 20 notes =3x
Value of Rs. 10 notes =2x×10=Rs.20x
Value of Rs. 20 notes =3x×20=Rs.60x
Total money in the bag =Rs.1600
So,
20x+60x=1600
80x=1600
x=
80
1600
x=20
The number of Rs. 10 notes =2x=40
the number of Rs. 20 notes =3x=60
Total number of notes =40+60=100
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