几道英文奥数题,希望大家能帮我把意思说出来,

几道英文奥数题,希望大家能帮我把意思说出来,
1.There is a 3-digit number,and the sum of figures on each digit is 16,The figure on the 10-digit equal the sum of the single-digit and the hundredth-digit,Now if the figures on the hundredth-digit and on the single-digit are achanged,the newly-got number will be 594 large than the original one.Q:What is the original number?
2.If a #b=(3×b) then the value of 2+(2×a) #(3 #5) is( ).
3.In a certain town some people were affected by a'flu' epidemic.In the first month 20% of the population contracted the flu whilst 80%,were healthy.In the following month 20% of the sick people recovered and 20% of the healthy people contracted the disease.What fraction of the population is healthy at the end or the second month?
4.Of the 28 T-shirts in a drawer,six are red,five are blue,and the rest are white.If Bob selects T-shirts at random whilst packing for a holiday,what is the least number he must remove from the drawer to be sure that he has three T-shirts of the same colour?
5.A furniture fsctory manufatures all kinds of furniture,we know each worker may make 2 tabies or 6 benches per day and there are 21 workers in all,A set of furniture includes 1 table and 4 benches.Q:how should we arrange each worker's job to ensure the tables and benches can be matched into sets?
6.Four children Pat,Sean,Alan,Sam,all have birthday parties today,In one year's time Sam will be at the age of Pat now.Alan is half of Sean's age and three years younger than Sam,Sam is 11 years old.What age Alan be when Sam is 15 years old?
要是在五分钟内我追分！

1.一个三位数,各位之和为16,十位数字大小等于个位与百位之和.若个位与百位上的数字交换,得到的数比原数大594,求原数.
设下各位数分别是x,y,z然后列下方程解就好,首先得到十位上是8,接着交换后的数减原数为594,可知个位与百位之差为5+1=6,最后答案187
2.如果a #b=(3×b)那么2+(2×a) #(3 #5)的值是47
3.某镇受流感影响,第一个月20%的人病倒了,还有80%的人健康着,第二个月20%得病的人痊愈了,还有20%原本健康的人受感染了,求第二个月健康人口的比例
(80*（1-0.2）+20*0.2)/100=68%
4.抽屉里有28件T恤,6件红的,5件蓝的,其余为白色,如果Bob度假前理行李随机拿T,他至少要从抽屉中拿几件才能保证他有三件相同颜色的T?
7件
5.一个家具工厂生产各种家具,已知每个工人每天能生产2个桌子或6个凳子,共有21名工人,一套家具包括1个桌子和4个凳子,问,应怎样安排工人工作才能使生产的家具都成套?
2x:6y=1:4,又x+y=21,得9人生产桌子,12人生产凳子
6.四娃Pat,Sean,Alan,Sam都在今天办生日会,再过一年Sam就跟Pat现在的岁数一样了,Alan的岁数是Sean的一半,且比Sam小三岁,Sam今年11岁,问Sam15岁的时候Alan几岁?
Alan比Sam小3岁,所以Sam15岁,Alan12岁.