Question

a sum of rupees 500 is in the form of denominations of rupees 5 and rupees 10 if the total number of notes is 90 find the number of notes of each type ​

Answer 1

Answer:

Rs.5 notes = 80

Rs.10 notes=10

Step-by-step explanation:

let no. of 5 Rs. notes beX

No of 10 Rs notes be y

5x+10y = 500

x+y=90

solving simultaneous eqn

we get y=10

x=80