Question

salim has 4 times as many one rupees coins as he has five rupees coin . if he has a total of 81 rupees then the denomination of one rupee coin he has​

Answer 1

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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Answer 2

Step-by-step explanation:

let the no of 5 rupee coins be ,x

therefore the no of 1 rupee coin is 4x

given that, 4x =x times 5 rupee coins

4x +5x = 81

9x =81

x=81/9

x=9

therefore the no of 1 rupee coin= 4x = 4×9 =36