I have some five rupee coins and some two rupee coins. The no. of two rupee coins is twice the no. of five rupee coins. The total money I have is ₹108. So how many five rupee coins do I have?And how many two rupee coins?
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I have some five rupee coins and some two rupee coins. The no. of two rupee coins is twice the no. of five rupee coins. The total money I have is ₹108. So how many five rupee coins do I have?And how many two rupee coins?
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number of rs 5 coin=a
number of rs 2 coin=2a
cost of rs 5 coin=5a
cost of rs 2 coin =4a(2a x 2)
according to question,
5a+4a=108
9a=108
a=108/9
a=12
no. of rs 5 coin=12
no. of rs 2 coin=12 x 2=24
Hope it helped!