Question

johnny has some money in her piggy bank. the denominations of coins are rs 10, rs 5 and rs 1. the ration of these coins are in the ration 2:3:5 respectively. the total money in johnsy's piggy bank is rs 4000. how many coins of each denomination does she have

Answer 1

Answer:

1. No of 10 rs coins = 80
2. No of 5 rs coins = 240
3. No of 1 rs coins = 2000

Step-by-step explanation:

1.

Money from 10 rs coins

$4000 \times 2 \div (2 + 3 + 5)$

$4000 \times 2 \div 10 = 800$

800 rs are from 10 rs coins

then no of coins=

$800 \div 10 = 80$

2.

Money from 5 rs coins

$4000 \times 3 \div 10 = 1200$

1200 rs are from 5 rs coins

Then no of 5rs coins=

$1200 \div 5 = 240$

3.

Mone from 1 rs coins

$4000 \times 5 \div 10 = 2000$

no of one rs coins = 2000

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