Mixed2 422

Name : ______________

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¸¸ÀÏ 65 members are taking German, 48 are taking Spanish in my class, and 18 are taking both subjects, how many students are in the class?





ÇÑ±Û The ratio of A and B is 3:2, and the ratio of B and C is 3:5. What is the value of the ratio of A and C nearest to the 10th?





ÇÑ±Û The ratio of A and B is 6:2, and the ratio of A and C is 4:7. What is the value of the ratio of B and C nearest to the 10th?





Áö±Ý º®½Ã°è°¡ 10:35 ¸¦ °¡¸£Å³¶§ ºÐħ°ú ½ÃħÀÌ ¸¸µå´Â ÀÛÀº Á߽ɰ¢À» ã¾Æ¶ó?





½Ã¼Ò ¹ÞħÁ¡ºÎÅÍ, ¸ö¹«°Ô°¡ 74 lbs ÀÎ ÅèÀÌ 1 ÇÇÀÌÆ®¸Ö¸® ¾É¾ÆÀÖ°í, ±×ÀÇ µ¿»ýÀº 2 ÇÇÀÌÆ®(ft) ¸Ö¸® ¾É¾ÆÀÖ´Ù.¹«°ÔÁß½ÉÀ» À§ÇØ, µ¿»ýÀÇ ¸ö¹«°Ô´Â ¾ó¸¶¿©¾ß µÇ´Â°¡?



18 ¸íÀÇ Àϲ۵éÀÌ ¾î¶²ÀÏÀ» ³¡³»´Âµ¥ 5 ÀÏÀÌ °É¸°´Ù. ¸¸ÀÏ 6 ¸íÀÇ Àϲ۵éÀÌ ÇÏ¸é ¸çÄ¥ °É·Á ³¡³»°Ú´Â°¡?





¿À´Ã 8¿øÂ¥¸® 5¿øÂ¥¸® ¿ìÇ¥ ÃÑ 240ÀåÀ» »ç°í, 1590 ¿øÀ» ÁöºÒ ÇßÀ»¶§, ¸î°³ÀÇ 8¿øÂ¥¸® ¿ìÇ¥¸¦ »ò´Â°¡?




ÄÞÇ»ÅÍ ÇÏ°í ÇÁ·Î±×·¥À» ÇÕÃļ­ $1390 Àε¥, »ç½ÇÀº ÇÁ·Î±×·¥ °ªÀÌ $290 ´õ ºñ½Î´Ù¸é, ÇÁ·Î±×·¥¸¸ÀÇ °¡°ÝÀº ¾ó¸¶Àΰ¡?





ÄÄÇ»ÅÍ ÇѴ븦 »ç´Âµ¥ 5% ¼¼±ÝÀ» ÇÕÇØ $315 À» ÁöºÒ Çß´Ù. ±×·¯¸é ¼¼±Ý¾øÀÌ ¿ø°¡´Â ¾ó¸¶³ª µÇ¾ú´Â°¡?





600 km ¶³¾îÁø ¾çÂÊ µÎ µµ½Ã¿¡¼­ °¢°¢ µÎ´ëÀÇ ±âÂ÷°¡ ¼­·Î¸¦ ÇâÇØ 70 km/h ¿Í 80 km/hÀÇ ¼Óµµ·Î ´Þ·Á ¿À°íÀÖ´Ù. µÎ´ëÀÇ ±âÂ÷°¡ ¼­·Î ¸¸³ª´Âµ¥ ¸î½Ã°£ÀÌ °É¸®´Â°¡?





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Mixed2 422   95 0.2 37 130 300  ( 562.2 )   0.9 107.5 15 840 4  ( 967.4 )    [[ 1529.6 ]]