There are 80, 5 rupee coins in the box. These coins constitute 20% of its total coins. How many coins are there in the box?
Answers
Answered by
0
Answer:
no of Rs 2 coin be x
no of Rs 5 coin be y
Total no of coins is => x+y=40
Total sum of value of coins is => 2x+5y=140
solving simultaneously for x & y
3y=60
y =20
x =20
Similar questions