24yaklaar 24yaklaar

21-11-2021
Mathematics

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Help plz. I think the starting number is 100% Buu I don't know.

Help plz I think the starting number is 100 Buu I dont know class=

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carinac23 carinac23

21-11-2021

Answer:

19%

Step-by-step explanation:

if the starting number is 100 then 100 decreased by 10% is 100 times 0.9 =90

and decrease 10% again is 81 and in total decrease by 19%

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