※ 引述《ivy48 (Ivy)》之銘言：
: 第一題
: If the rectangular plate can hold 3 cubic feet,then
: Col A:The number of cubic yards that 100 such plates can hold
: Col B:13
: 這題不是很懂題目在說什麼!!
是不是這樣：
1 yard= 3 feet, 1 cubic yard= 27 cubic feet. (cubic= 立方)
所以 100 rectangular plates *3 cubic feet= 300 cubic feet
= 300/27 cubic yards
= 11 cubic yards
答案是B)
: 第二題
: Given three persons X,Y and Z working together,takes 9 hours to
: complete a work.If "Y" and "Z" working together takes 12hrs to
: finish the same job,then how much time would "X" take to finish the
: same job alone?
: 這題答案好像是36hrs，但想不太出來為什麼!!!
: 煩請大家幫幫忙，謝謝!! ^^
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