Srishti has 4 times as many one rupees coin as she has five rupees coins. If she has a total 81 rupees then the denomination of one rupee coin she has is ????
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Answer:
x = 36
Step-by-step explanation:
x=1 rupee coin y= 5rupee coin
x=4y
x+5y =81
9y= 81
y=9
x= 4*9
x= 36
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