Question

A sum of 500 rs is in the form of denominations of 5 rs and 10 rs . if the total number of notes is 90, find the number of notes of each type.

Answer 1

Answer:

solution given below

Step-by-step explanation:

5(90-y)+10y=500. y=50/5=10. Hence x=90–10=80. So ans is 80 notes of rs 5 and 10 notes of 10.

Answer 2

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