a purse has only one rupee and 2 rupee coins in it. The number of 2 rupee coins is one third the number of one rupee coins. If the purse has rupees 115, find the number of 2 rupee coin
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Answer:
let number of 1 rupee coins be 3x
so number of 2 rupee coins=x(⅓of 3x)
3x+x=115
=4x=115
x=115÷4
=28.75
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