英语数学题,求解
Howoldisthecaptain,howmanychildrenhashe,andhowlongishisboat?Giventheproduct32118ofthe...
How old is the captain,how many children has he,and how long is his boat?Given the product 32118 of the three desired numbers (integers) .The length of the boat is given in feet (is several feet),the captain has both sons and daughters,he has more years than children ,but he is not yet one hundred years old.(Give reasons for your answer.)
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Jack and Tom live at opposite ends of the same street.Jack had to deliver a parcel at Tom's home.Tom one at Jack's home.They started at the same moment,each walked at constant speed and returned home immediately after leaving the parcel at its destination.They met the first time at the distance of a yard from Jack's home and the second time at the distance of b yards from Tom's home.
(A)How long is the street?
(B)If a=300 and b=400,who walks faster? 展开
要翻译和解答,谢!
还有一题
Jack and Tom live at opposite ends of the same street.Jack had to deliver a parcel at Tom's home.Tom one at Jack's home.They started at the same moment,each walked at constant speed and returned home immediately after leaving the parcel at its destination.They met the first time at the distance of a yard from Jack's home and the second time at the distance of b yards from Tom's home.
(A)How long is the street?
(B)If a=300 and b=400,who walks faster? 展开
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How old is the captain,how many children has he,and howlogn is his boat?Given the product 32118 of the three desired numbers(integers).The length of the boat is given in feet(is several feet),the captain has both sons and daughters,he has more years than children,but he is not yet one hundred years ols.(Give reasons for your answer.)
the captian is 31 years old.the captain has 2 children.the boat is 81 feet long. reason: the number of children should be a number less than 10, so the age of the captain and the length of the boat should be both double-digit. And a boat should be more than 30 feet, so, the boat should be 8X feet. the captain has he has both sons and daughters, so we have to choose from 3 and 2 .If we choose 3, then the age of captain should be choosen from 21 11, and 12(8 is left for the boat length).They are too young for a father of three children, so 3 is abandoned.Then we can draw the conclusion that the captain has 2 children. the possible answer for the capitain's age are 31,11and13. Definitely, we abandon 11 and 13, so the captain is 31. then only one number is left,i.e.1, so the length of the boat is 81 feet.
中文大意就是,这个船长既有女儿又有儿子,而且他比他的儿女大很多,但是还不到一百岁,这个船的长度是以英尺计的.给出了六个数,32118,组成整数,回答问题:船长多大了,有几个孩子,船长是多少. 答案;船长31岁,2个孩子,船的长度是81英尺. 思路大概是这样的,孩子的数目应该是一位数的,船长的年龄是两位数,所以船的长度也是两位数,那么可能的船的长度的十位数就只能是8.船长儿女双全,所以孩子的个数应该是2或3,如果是3个孩子的话,那么船长的年龄就只剩下了21,12和11三个选择,这显然都太年轻,所以排除3,船长有2个孩子.那么船长的年龄就应该是31,11或是13,显然,31是唯一合理的选择.这样船的长度也出来了,是81英尺. (一英尺等于12英寸,一英寸等于25.4毫米,一英尺就是30多厘米.)
是这个吗,希望能帮到你
the captian is 31 years old.the captain has 2 children.the boat is 81 feet long. reason: the number of children should be a number less than 10, so the age of the captain and the length of the boat should be both double-digit. And a boat should be more than 30 feet, so, the boat should be 8X feet. the captain has he has both sons and daughters, so we have to choose from 3 and 2 .If we choose 3, then the age of captain should be choosen from 21 11, and 12(8 is left for the boat length).They are too young for a father of three children, so 3 is abandoned.Then we can draw the conclusion that the captain has 2 children. the possible answer for the capitain's age are 31,11and13. Definitely, we abandon 11 and 13, so the captain is 31. then only one number is left,i.e.1, so the length of the boat is 81 feet.
中文大意就是,这个船长既有女儿又有儿子,而且他比他的儿女大很多,但是还不到一百岁,这个船的长度是以英尺计的.给出了六个数,32118,组成整数,回答问题:船长多大了,有几个孩子,船长是多少. 答案;船长31岁,2个孩子,船的长度是81英尺. 思路大概是这样的,孩子的数目应该是一位数的,船长的年龄是两位数,所以船的长度也是两位数,那么可能的船的长度的十位数就只能是8.船长儿女双全,所以孩子的个数应该是2或3,如果是3个孩子的话,那么船长的年龄就只剩下了21,12和11三个选择,这显然都太年轻,所以排除3,船长有2个孩子.那么船长的年龄就应该是31,11或是13,显然,31是唯一合理的选择.这样船的长度也出来了,是81英尺. (一英尺等于12英寸,一英寸等于25.4毫米,一英尺就是30多厘米.)
是这个吗,希望能帮到你
追问
product不是乘积的意思吗?
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船长的年龄多少?他有几个孩子?他的船多久了?给出的三组数字32118(整数)组成结果。船的长度以英尺记,船长有儿子和女儿,他比孩子大很多,但他还不到一百岁。(给你的答案的原因。) 自己翻译的 。
答案简单,首先有2个孩子,2除去 ,船的长度肯定8开头的2位数,此时只有3,1,1,8几个数字,所以船81英尺,这个船长31岁
答案简单,首先有2个孩子,2除去 ,船的长度肯定8开头的2位数,此时只有3,1,1,8几个数字,所以船81英尺,这个船长31岁
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船长几岁,有多少个孩子,他和他的船有多长?考虑到产品32118的三个期望的数字(整数)。船的长度给出了英尺(是几英尺),船长有儿子和女儿,他已经许多年,比孩子的,但是他还没有一百年的历史。(给你的答案的原因。)
杰克和汤姆住在同一条街的两端。杰克不得不交付包裹在汤姆的家里。汤姆在杰克的家里。他们开始在同一时刻,每个走在恒定速度和回家后立刻离开包裹在它的目的地。他们遇到了第一次在远处的一个院子从杰克的家里,第二次在远处的b码从汤姆的家里。
(一)这条街有多长?
(2)如果一个= 300和B = 400,谁走得更快?
杰克和汤姆住在同一条街的两端。杰克不得不交付包裹在汤姆的家里。汤姆在杰克的家里。他们开始在同一时刻,每个走在恒定速度和回家后立刻离开包裹在它的目的地。他们遇到了第一次在远处的一个院子从杰克的家里,第二次在远处的b码从汤姆的家里。
(一)这条街有多长?
(2)如果一个= 300和B = 400,谁走得更快?
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