(80 का 12%)+(450 का ?%)=227 का 30%
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Answer:
required percent= 13%
Step-by-step explanation:
80 का 12%)+(450 का ?%)=227 का 30%
=> 80×12/100+ 450×x/100= 227×30/100
=> 9.6+ 4.5x = 68.1
=> 4.5x = 68.1-9.6
= 4.5x = 58.5
=> X = 58.5/4.5= 13
required percent= 13%
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