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LarkeraC
it would be 2.5% because you would set it up as 0.5=p x 20 you divide each side by 20 which should equal 0.025. you move the decimal two places to the right so p actually equals 2.5%

The computation shows that the percentage will be that 0.5 is 2.5% of 20.

How to calculate percentage?

It should be noted that from the information, we are to calculate the percentage.

This will be calculated thus:

= 0.5/20 × 100

= 2.5%

Therefore, it can be deduced that 0.5 is 2.5% of 20.

Learn more about percentages on:

https://brainly.com/question/24304697