quiz for english(015) ***
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<Á¦ 015 ȸ> ¾î¶»°Ô ÀÌ°ÍÀÌ °¡´ÉÇÑ°¡?(1)
* ÀÌ ¹®Á¦´Â µè(ÀÐ)°í 1 ºÐ ³»¿¡ ´äÀÌ ³ª¿Í¾ß ÇÑ´Ù.
[¹®] :
ÇÑ ³²ÀÚ°¡ 1964¿¡ ž ±×¸®°ï ³ªÀÌ 25¼¼¿¡ 1984¿¡ Á×¾ú´Ù.
¾î¶»°Ô ÀÌ°ÍÀÌ °¡´ÉÇÑ°¡?
* hint : ¹®Á¦¸¦ Àß Àб⠹ٶõ´Ù
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[´ä] _____________________
----------------------------------* Á¤´ä ¹× ¿µ¹®Àº ´ÙÀ½ ȸ¿¡ ÀÖÀ½.
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[Á¦ 014ȸ Á¤´ä ¹× Çؼ³]
Á¤´ä : ³ª) 24
Çؼ³ :
1) 0.25x +0.10x +0.05x = 40x (°¢ coinÀÇ °ªÀ» ±âÁØÀ¸·Î Çϸé)
2) 40x = $9.60
3) x = $9.60 ¡À 40
so, x = 24
[»ó½Ä]
¹Ì±¹ÀÇ µ·(money)Àº dollar ¶Ç´Â american dollar·Î ºÎ¸£°í,
ÁöÆó´Â bill, ÁÖÈ´Â coins¶ó°í ºÎ¸¥´Ù.
°¢ coinÀº half dollar(50¡Ë), quarter(25¡Ë), dime(10¡Ë), nickle(5¡Ë), penny(1¡Ë)
ÀÇ À̸§À¸·Î Åë¿ëµÈ´Ù.
* dollar ÁöÆóÀÇ Æ¯Â¡
1) ¹ÙÅÁ»ö : green -- ±Ù¸é --À̹ÎÀÚµéÀÇ °î±ªÀÌ·Î Àϱº ³ª¶óÀÇ ¶æÀ̶ó°í ÇÑ´Ù.
2) ±Ô °Ý : µ¿ÀÏ -- ½Ç¿ëÁÖÀÇ -- ¸ðµç ÁöÆóÀÇ Å©±â°¡ °°´Ù.
±×·¡¼ ¹Ì±¹À» ¾Ë·Á¸é ¹Ì±¹ÀÇ dollarºÎÅÍ ¾Ë¾Æ¾ß ÇÑ´Ù°í ÇÑ´Ù.
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[q] :
sam has a total of $ 9.60 in his pocket.
the money is composed of equal numbers of quarters,
dimes, and nickles, but no other coins.
how many of each of those three coins does sam have?
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<¿À´ÃÀÇ ¸í¾ð>
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but if you study, your dreams will come true.
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***