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³×~ ºÎÁ·Á¡¼öȯ»êÇ¥´Â ÀÔÂû °¡°Ý»ê½ÄÀ¸·Î °è»êµÇ¾î Áö´Â°ÍÀ» °£´ÜÇÏ°Ô Á¤¸®ÇØ ³õÀº Ç¥ÀÔ´Ï´Ù.
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ex) ºÎÁ·ÇÑ Á¡¼ö 1.5Á¡, ÀÔÂû °¡°ÝÁ¡¼ö 65Á¡ÀÏ °æ¿ì
- ÀÔÂû°¡°ÝÁ¡¼ö = 70-4¦­(88/100-ÀÔÂû°¡°Ý/¿¹Á¤°¡°Ý)*100¦­
- Á¡¼ö°¡ ºÎÁ·ÇÏÁö ¾ÊÀº ¾÷ü´Â À§ ÀÔÂû °¡°Ý»ê½Ä¿¡¼­ 65Á¡ÀÌ ³ª¿À¸é ¸¸Á¡ÀÌÁö¸¸ Á¡¼ö°¡ 1.5Á¡ÀÌ ºÎÁ·Çϱ⠶§¹®¿¡
À§ÀÇ »ê½Ä¿¡¼­ ÇÊ¿äÇÑ ÀÔÂû°¡°ÝÁ¡¼ö´Â 66.5Á¡ÀÌ µË´Ï´Ù.

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1. Á¡¼ö°¡ ºÎÁ·ÇÏÁö ¾ÊÀº ¾÷üÀÇ ÅõÂûÀ²
ÀÔÂû°¡°ÝÁ¡¼ö = 70-4¦­(88/100-ÀÔÂû°¡°Ý/¿¹Á¤°¡°Ý)*100¦­
65=70-4¦­(0.88-X)*100¦­
65=70-4¦­88-100X¦­
65=70-352+400X
347 = 400X , X = 0.8675 , ÅõÂûÀ² = 86.745%

2. Á¡¼ö°¡ 1.5Á¡ ºÎÁ·ÇÑ ¾÷üÀÇ ÅõÂûÀ²
ÀÔÂû°¡°ÝÁ¡¼ö = 70-4¦­(88/100-ÀÔÂû°¡°Ý/¿¹Á¤°¡°Ý)*100¦­
66.5=70-4¦­(0.88-X)*100¦­
66.5=70-4¦­88-100X¦­
66.5=70-352+400X
348.5 = 400X , X = 0.87125 , ÅõÂûÀ² = 87.125% ÀÔ´Ï´Ù.

Áï, ÀÔÂû °¡°ÝÁ¡¼ö°¡ 65Á¡À϶§ Á¡¼ö°¡ 1.5Á¡ ºüÁö¸é ÅõÂûÀ²Àº 0.38%°¡ ¿Ã¶ó°©´Ï´Ù.
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