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Question

https://code.sololearn.com/cH1pRP9bQVMm/?ref=app
If didn't work make sure your calculation are correct and please drop a like

Answer 1

U can Advertise ur codes here...👇
https://www.sololearn.com/Discuss/347139/non-web-codes-need-love-too
https://www.sololearn.com/Discuss/452626/code-advertising
https://www.sololearn.com/Discuss/475577/post-your-underdog-codes-here
https://www.sololearn.com/Discuss/830853/show-your-codes-here

Answer 2

I know how this works:

Suppose you choose x.

S1 : Double x. => 2x.
S2 : Add 10 => 2x + 10.
S3 : Donate Half => x + 5.
S4 : Subtract x => 5.

You are now left with 5, no matter what you chose.

Not a big deal now. Try developing something more useful next time.