Question

Ganga has some rs 10 notes and some rs 20 notes . the number of rs 20 notes is half that of rs 10 notes .if she has rs 160 in all,find the number of notes of each denomination .







PlZ help me ​

Answer 1

Answer:

20rs=4 and 10rs=8

Step-by-step explanation:

Let no. of 20rs notes be x

Then,no. of 10rs notes will be 2x

ATQ,

20(x)+10(2x)=160

=>20x+20x=160

=>40x=160

=>x=160/40=4

So, no. of 20rs notes=x=4

no. of 10rs notes=2x=2(4)=8