when 30% of a number is added to the number, the result is 143. Find the number described.
Mathematics · Middle School · Mon Jan 18 2021
llm
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Given that:- when 30% of a number is added to the number, the result is 143
let the number is x
when we add 30% of x with x then we get 143
x+x*30%=143
x+x*30/100=143
x+x*3/10=143
x+3x/10=143
(10x+3x)/10=143
13x/10=143
13x=143
x=1430/13
x=110
when 30% of 110 is added to 110 then we get 143.