I have some 5 rupees coins and some 2 Rupees coins. The number of 2 Rupees coins is twice. The number of 5 rupees coins the total money I have is 108 rupees. So how many 5 rupees coins? Do I have and how many 2 Rupees coins?
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Answer:
5rs coins = 12
2rs coins=24
Explanation:
Let total 5rs coins = x
Let total 2 rs coins = y
y=2x. ...given eq(1)
therefore,
5x +2y = 108
from eq(1) 5x+4x=108
9x=108
x=12
y=24
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