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If their are n arithmetic mean between 3 and 17. the ratio between the last and first arithmetic mean is 3:1. find n. |
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Answer» 17n+3/3n+17 =3/1; 3(3n+17)=1(17n+3); 9n+51=17n+3; 8n=48;; 8n=-48; n=48/8=6 |
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