Question

A woman has 60 notes all of rupees 10 and rupees 20 domination if the total was of the notes is 800 how many she h
ave

Answer 1

Answer:

Rs 10 notes = 40

Rs 20 notes = 20

Step-by-step explanation:

X = no. of notes of Rs 10

y = no. of notes of Rs 20

x + y = 60

10x + 20y = 800

X +2y = 80

60 - y + 2y = 80

y = 20

X = 40