Question

a man has only 20 paise and 25 paise coins in his purse. he has 50 coins in all, totalling rs. 11.25. write linear equation for information.

Answer 1

20x +25y=11.25......1 st eq
X+y=50

Answer 2

Step-by-step explanation:

let no. of 20 paise coins=x

no. of 25 paise coins=y

x+y=50

.20x+.25y=11.25

.20x+.25(50-x)=11.25

-.05x=11.25-12.50=-1.25

5x=125

x=25

no. of 20 paise coins=25

no. of 25 paise coins=25