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Could someone explain the methodology for Java lesson 20?

I've been hitting my head against this wall for a bit now, but just don't understand the methodology. You have an amount You need to subtract 10% of that amount from that amount 3 times. Then you need to output what is left of the amount. I just have no idea how to get what's left as an output, and would appreciate help.

30th May 2022, 5:57 PM
Djdyn0
1 Odpowiedź
+ 3
If you have an amount of 5000: 10% of 5.000 = 500 5000 - 500 = 4500 10% of 4500 = 450 4500 - 450 = 4050 10% of 4050 = 405 4050 - 405 = 3645 left -> 3645 What is 10% from n? It is the same as n * 0.1 Hope this helps.
30th May 2022, 6:51 PM
Denise Roßberg
Denise Roßberg - avatar