Question

A sum of 500 is in the form of denominations of 5 and 10. If the total number of
notes is 90 find the number of notes of each denomination.​

Answer 1

Answer:

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.

Explanation:

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