ÁöÇý Ű¿ì´Â ¿µ¾î(Á¦ 26 ȸ) : ±×´Â ¸î ½Ã¿¡ ¶°³ª¾ß Çϳª?
2026-04-05 ¿ÀÈÄ 9:35:10 | Á¶È¸ : 292
ÁöÇý Ű¿ì´Â ¿µ¾î(Á¦ 26 ȸ) : ±×´Â ¸î ½Ã¿¡ ¶°³ª¾ß Çϳª?
english that cultivates wisdom !
[¹®] :
a man walks to his friends house at 2 miles per hour.
¾î¶² ³²ÀÚ°¡ ½Ã°£´ç 2 ¸¶ÀÏÀÇ ¼Óµµ·Î Ä£±¸ÀÇ ÁýÀ¸·Î °É¾î¼ °£´Ù.
he spends an hour eating lunch,
±×´Â Á¡½ÉÀ» ¸Ô´Âµ¥ ÇÑ ½Ã°£À» º¸³»°í,
and then rides home on his friends bicycle,
five times faster than he walks.
±×¸®°í´Â Ä£±¸ÀÇ ÀÚÀü°Å¸¦ Ÿ°í ÁýÀ¸·Î ¿À´Âµ¥,
°È´Â °Íº¸´Ù ´Ù¼¸ ¹è°¡ ºü¸£´Ù.
the distance to his friends house is 10 miles.
±×ÀÇ Ä£±¸ÀÇ Áý±îÁö °Å¸®´Â 10 ¸¶ÀÏÀÌ´Ù.
at what time must he leave home
in order to complete the round trip and return by 4 p.m.?
±×°¡ ¿Õº¹¿©Á¤À» ¿ÏÀüÈ÷ ¸¶Ä¡°í ¿ÀÈÄ 4½Ã±îÁö Áý¿¡ µ¹¾Æ¿À·Á¸é
¸î ½Ã¿¡ ¹Ýµå½Ã ÁýÀ» ¶°³ª¾ß Çϴ°¡?
º¸±â : °¡) 8 a.m. ³ª) 9 a.m. ´Ù) 10 a.m. ¶ó) 11 a.m.
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<Áß¿ä ´Ü¾î>
bi.cy.cle /bái.sìk.l/[¹ÙÀÌ ́.ší ̀.À»]
n. ÀÚÀü°Å • go by ~ =go on a ~ / ÀÚÀü°Å·Î °¡´Ù¡¶to¡·
vi. ÀÚÀü°Å¸¦ Ÿ´Ù.
fast.er /f©¡́s.tǝr/[¤¾ÆÐ^¾Æ½º ́.ÅÍ(¾î)¤©]
a. fast ÀÇ ºñ±³±Þ : ´õ ºü¸£°Ô
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cut off your nose to spite your face.
/ ¾ó±¼À» ÀúÁÖÇϱâ À§ÇØ ÄÚ¸¦ ÀÚ¸¥´Ù.
--> ³²À» ÇØÄ¡·Á´Ù µµ¸®¾î Á¦°¡ ºÒÀÌÀÍÀ» ¹Þ´Ù. ´©¿ö ħ ¹ñ±â
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[Á¤´ä ¹× ÇØ¼³]
Á¤´ä : ³ª) 9 a.m.
ÇØ¼³ :
1) °¥ ¶§ : 10 miles(°Å¸®) ¡À 2 / mph(¼Óµµ) = 5½Ã°£(¼Ò¿ä)
2) ¿Ã ¶§ : 10 miles(°Å¸®) ¡À 10 / mph(¼Óµµ) = 1½Ã°£(¼Ò¿ä)
3) Á¡ ½É : 1 ½Ã°£
¡Å a) : 1) + 2) + 3) = 7 ½Ã°£(¿Õº¹)
b) : 16½Ã(4.p.m. - µ¹¾Æ¿Í¾ß ÇÒ ½Ã°£) - 7 ½Ã°£ = 9 a.m.
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