Leena has 117 rupees in the form of 5 rupees coins and 2 rupees coins the number of 2 rupees coin is 4 times that of 5 rupees coin find the number of coins each denomination
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Step-by-step explanation:
Number of 5rs coin = x
number of 2rs coins = 4x
total money = 5*x + 4x * 2 = 5x+8x = 13x
13x = 117
x = 117/13 = 9
number of 5rs coins= x = 9
number of 2rs coins = 4x = 4*9 = 36
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