SSAT数学训练：5-7 lower level（五）.doc

SSAT数学训练：5-7 lower level（五） 小马过河为大家准备了“SSAT数学训练：5-7 lower level（五）”， 供各位备考SSAT的考生们参考使用，来提高自己的托福成绩！免费咨询电话：400-0123-267 41 What will it cost to tile a kitchen floor that is 12 feet wide by 20 feet long ???if the tile cost $8.91 per square yard? 给一个宽12英尺，长20英尺的厨房铺地板瓷砖，如果瓷砖的成本每平方码8.91元，那么铺整个厨房的成本是多少？???A. $224.51???B. $237.60???C. $246.55???D. $271.38???E. $282.32 42 In a writing competition, the first place winner receives ? of the prize ???money. The second runner up receives ? of what the winner won. What was the ???total amount of prize money distributed if the winner receives $6,000? 在写作比赛中，第一名可以得到一半的奖金。季军可以得到冠军奖金的四分之一。若冠军得到6000美元，那么总奖金额是多少？ ????A. $6,000????B. $8,500????C. $12,000????D. $15,000????E. $18,500 43 You are lying 120 ft away from a tree that is 50 feet tall. You look up at the ???top of the tree. Approximately how far is your hear from the top of the tree ???in a straight line?? 你躺在离一棵树120英尺的地方，树高50英尺。你看向树的顶部。那么从顶部到你那大约有多远？???A. 50 feet????B. 75 feet???C. 120 feet????D. 130 feet???E. 150 feet 44 A cyclist bikes x distance at 10 miles per hour and returns over the same path at 8 miles per hour. What is the cyclist’s average rate for the round trip in miles per hour? 一个人以每小时每小时10英里的速度骑自行车X英里，然后以在8英里每小时返回相同的路径。那么这个人往返的平均速度是多少？A. 8.1B. 8.3C. 8.6D. 8.9E. 9.0 45 If edging cost $2.32 per 12-inch stone, and you want a double layer of edging ??your flower bed that is 6 yards by 1 yard. How much will edging you flower bed? ??cost? 如果磨边的成本是2.32元每12寸，你想有一个1码乘6码双层磨边花坛。那么磨边花坛需要多少成本？??A. $32.48??B. $64.96???C. $97.44??D. $129.92??E. $194.88 46 If 3x=6x-15 then x + 8=???A. 5???B. 10???C. 11???D. 12???E. 13 47 The number of milliliters in 1 liter is? 1升是多少毫升????A. 10,000????B. 1,000????C. 0.1???D. 0.01???E. 0.001 来源于：小马过河 全国免费咨询电话：400-0123-267