20:5

The expression "20:5" can be interpreted in different ways, but commonly it represents a ratio or can also imply division.

1. As a Ratio: It can be read as "20 to 5" which simplifies to 4:1, meaning for every 4 parts of one quantity, there are 1 part of another.

2. As Division: If you treat it as a division operation, \( 20 \div 5 \) equals 4.

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