A sum of Rs500 is in the. form of denominations of Rs5and Rs10 if the total number of notes is 90, find the number of notes of each type
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Answer:
Total numer of notes = 90
Let the number of Rs 5 = x
Then, the number of Rs 10 = 90-x
Total sum of rupee = Rs 500
A/Q
5*x + 10(90-x) = 500
=> 5x + 900-10x = 500
=> 5x - 10x = 500 - 900
=> -5x = -400
=> x = 400/5
=> x = 80
So, Number of Rs 5 notes = 80
Number of Rs 10 notes = 90- 80 = 10
Step-by-step explanation:
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