quiz for english(065) ***
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<Á¦ 065 ȸ> samÀº ¸î ½Ã°£ÀÇ ¼ö¸éÀ» ÃëÇߴ°¡?
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[¹®] :
samÀº ¹ã¿¡ Àß ÀÚ°í ½Í¾ú´Ù.
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±×´Â 8:30 p.m.¿¡ ÀÚ·¯°¡¸é¼,
±×ÀÇ 30³â µÈ °í¹° ÀÚ¸íÁ¾À» µ¹·Á 9 a.m.¿¡ ±×¸¦ ±ú¿ì°Ô ¸ÂÃß¾î µÎ¾ú´Ù.
±×¸®°í ÀÚ¸íÁ¾ÀÌ ¿ï·Á ÀáÀ» ²£´Ù.
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samÀº ¸î ½Ã°£ÀÇ ¼ö¸éÀ» ÃëÇߴ°¡?
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º¸±â :
°¡) 12½Ã°£ ³ª) 12 ½Ã°£ 30ºÐ ´Ù) ÀáÀ» ¸ø Àä´Ù. ¶ó) Á¤´ä ¾øÀ½
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[´ä] ( ) ¸¸ÀÏ ´Ù), ¶ó)¸¦ ÅÃÇÑ´Ù¸é ¿Ö?_____________
---------------------------* Á¤´ä ¹× ¿µ¹®Àº ´ÙÀ½ ȸ¿¡ ÀÖÀ½.
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[Á¦ 064 ȸ Á¤´ä ¹× Çؼ³]
Á¤´ä : ¶ó) ¼Õ½Ç 50ºÒ
Çؼ³ :
±¸ÀԱݾ×À» a¿Í b·Î º¸ÀÚ.
1) a = a + (a x 20%) = $600, ¡Å a=500
2) b = b - (b x 20%) = $600, b-(bx20%)=0.8b, 0.8b=600,
¡Å b = 750
°á±¹,
(1) ±¸ÀÔ±Ý¾× =500(a) + 750(b)=1.250
(2) ÆÇ¸Å±Ý¾× =1.200
(3) ¼ÕÀÍ = 1.250-1.200 = ¼Õ½Ç $50
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[q] :
a woman collects antique boxes.
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she bought two,
but found herself short of money and had to sell them quickly.
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she sold them for $600 each.
on one she made 20 percent,
and on the other she lost 20 percent.
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did she make or lose money on the whole deal?
and how much?
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***