Question

Rahul has 210 rupees In the form of rupees 10 note and rupees 50 notes.the number of rupees 10 note is twice the number of rupees 50 notes.find the number of notes of each type that he has.​

Answer 1

Answer:

50 rupee note be y

so no. of 10 rupee note will be 2y

50y+20y=210

70y=210

y=3

so 50 rupee notes are 3

and 20 rupee note are 6