Question

In a piggy bank there are 1-and 2-rupee coins. The number of 1-rupee coins is four times the number of
2-rupee
coins. If the total money in the piggy bank is 90, find the number of l-and 2-rupee coins.
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Answer 1

Answer:

60 ruppee coins

15 2 ruppee coins

Step-by-step explanation:

60x1 ruppee= 60 ruppee

15x2 ruppee= 30 ruppee

total of 90 ruppee

Answer 2

Step-by-step explanation:

1 rupee coin = 4x

2 rupee coin = X

4x+X=90

5x=90

X=18

1 rupee coins = 4×18=72

2 rupee coins = X=18