let a/2=b/3=c/5=x.then a=2x .b=3x c=5x.now a+b+c+÷a=(2x+3x+5x)÷2x=10x÷2x=5....... rpls correct it if I have made any mistake . . jwty5. yddyt ddyg. rfdf.uyffhu.fusd.uutfhudfhiswsfhjig. jfguui
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