Question

16) A Sum of 500 is the form of denomination
of rs. 5 and rs. 10. If the total number of
notes is 90,find the number of notes of
each type​

Answer 1

Answer:

let the no. of rs5 notes be x and 10 rs notes be y

x+y =90

5x+10y=500

x+2y=100

(90-y)+2y=100

90+y =100

y=10

x= 90-y=90-10=80

Step-by-step explanation: