Question

Solve in English medium only please

Answer 1

Step-by-step explanation:

total amount = 2000rs

money she ask is 100rs notes and 50 rs notes

she totally have 25 notes

the total number of 100 note as x

and 50 rs as y

so

X+y=25

(x×100)+(y×50)=2000

Answer 2

Answer:

x+y=25

50x+100y=2000

Step-by-step explanation:

no.of rs 50 notes=x

no. of rs 100 notes=y

x+y=25--->x=25-y

50x+100y=2000

50(25-y)+100y=2000

50y=750

y=15

x=10

no of rs 50 notes is 10

no. of rs 100 notes is 15