Answer:
610
Step-by-step explanation:
10 to the power of 3 is 1000. 1000x1.1=1100. 10 to the power of 2 is 100. 100x4.9=490. 1100-490=610
If a person invests $50 in a business and gets a percentage increase of 10%, then he would have $55 as his final payout.
<h3>What is an Investment?</h3>
This refers to the financial activity where a person puts money or an asset into a business or venture to gain profit after a period of time.
Hence, we can see that since your question is incomplete as it does not include the initial amount of both Demarco and Tanya, then a final payout cannot be found.
Read more about investments here:
brainly.com/question/25300925
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The answer is 15%.
Just divide 3 and 20.