let the number of 50 notes be 3x
let the number of 20 notes be 5x , notice they are in 3:5 ratio
number of 10 notes = 25 - 3x - 5x or 25 - 8x
value of notes equation:
50(3x) + 20(5x) + 10(25-8x) = 590
150x + 100x + 250 - 80x = 590
170x = 340
x = 2
sub back into my definitions
Swapnil has rs590 in currency notes with denominations of rs 50,rs20,rs10. The ratio of the number of rs.50 notes and rs.20 notes is 3 :5. If he has total of 25 notes how many notes of each denomination does he have
1 answer
1 answer