Question

in a piggy bank there are 1 and 2 ruppee coins. the number of 1 rs coins is four times the number of 2 rs coins. if total money in the piggy bank is 90 rs find the number of 1 rs coin and 2rs coin​

Answer 1

Answer:

Step-by-step explanation:

Let the number of 2 rupee coins be x

The number of 1 rupee coins will be 4x

The total value is90 rs

(1) 4x + (2)x = 90

4x + 2x = 90

6x = 90

x= 90/6

x=15

Answer 2

In a piggy bank the  no of 1 rs coin is 60 and the no of  2 rs coin is 15

Step-by-step explanation:

Given:

• In a piggy bank there are 1 rs and 2 rs coin are there.
• The number of 1 rs coin is four times the number of 2 rs coin.
• The total money in the piggy bank is 90 rs

To find: The umber of 1rs coin and 2rs coin

Solution:

Let the no of Rs. 2 coin = x

The no of Rs. 1 coin = 4x

x + 4x = 90

Amount of Rs. 2 coin = Rs. 2x

Amount of Rs. 1 coin = Rs. 4x

2x + 4x = 90

6x = 90

x = 90/6

x = 15

Therefore,

Rs. 2 coin = x

⇒ x =15

Rs. 1 coin = 4x

⇒ 4 (15) = 60

⇒ 4x = 60

Final answer:

In a piggy bank the  no of 1 rs coin is 60 and the 2 rs coin is 15

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