Question

(10. There are some coins of 25 paise and some
coins of 50 paise in a box. There are in all
20 coins and they amount to 7. Find the
number of coins of 25 paise and 50 paise
each.
Solve the following pair of linear equations
​

Answer 1

Step-by-step explanation:

Total coins =20

Taking x as number of 25 paise coins , 20-x as number of 50 paise coins

25x+(20-x)50=700

25x+1000-50x=700

-25x+1000=700

=>>>>x=12

25 paise coins =12

50 paise coins =(20-12) = 8

Hope it helps you