Question

there are some 25 paise coins and some 50 paise coins in a bag the total number of coins is 150 and amount in the bag is rs55 find number of coins of each value.
solve by elimination

Answer 1

Step-by-step explanation:

Let a and b be number of 25 paise and 50 coins, respectively. Then

Given that:

x+y=140 ......(1)

25x+50y=5000 [Rs.50=5000 paise]

x+2y=200 ......(2)

On subtracting equation (1) from equation (2), we get

y=60

So, x=80

Hence, there are 80 coins of 25 paise and 60 coins of 50 paise in the bag.