Question

Yati has a coin box containing some coins. 40% of the coins are 20-cent coins and the rest are 50-cent coins.

Answer 1

The fraction that should be removed is 1/5.

How to calculate the fraction?

It should be noted that from the information, 40% of the coins are 20-cent coins and the rest are 50-cent coins. Those that are 50 cent will be:

= 100 - 40%

= 60%

The fraction that's should be removed will be:

= 2/5 - x = 1/5

x = 2/5 - 1/5

x = 1/5

The fraction that should be removed is 1/5.

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