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PLEASE GIVE ANSWERI m 3 times as old my sister. nine years later, I shall be one and a half times as old as my sister. what is my present age? |
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Answer» Answer: sorry your question is wrong as if we take your AGE after 9 years be 3/2 of your sister after 9 years, the ans comes negative 10 but if we take your age as 10 or -10 the ans is correct. hope it HELPS plz MARK as branlist Step-by-step EXPLANATION: let your age be x and your sisters be y x=3y ------1 9+x=(1.5)(y+9) -------2 by 1,2 9+x=(1.5)(((1/3)+x)+9) 9+x=(1.5)((1+3x+27)/3) 9+x=0.5*(3x+28) 9+x=1.5x+14 x=1.5x+5 -0.5x=5 x=-10 |
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