1.In a group of six people,two have a mass of 60kg while three have a mass one and half times that.what is the mass of the sixth person if the average group mass is 70kg?2.There are x dimes and y nickels in bag A and x nickels and y dimes in bag B.Th

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1.In a group of six people,two have a mass of 60kg while three have a mass one and half times that.what is the mass of the sixth person if the average group mass is 70kg?2.There are x dimes and y nickels in bag A and x nickels and y dimes in bag B.Th

1.In a group of six people,two have a mass of 60kg while three have a mass one and half times that.what is the mass of the sixth person if the average group mass is 70kg?2.There are x dimes and y nickels in bag A and x nickels and y dimes in bag B.Th
1.In a group of six people,two have a mass of 60kg while three have a mass one and half times that.what is the mass of the sixth person if the average group mass is 70kg?
2.There are x dimes and y nickels in bag A and x nickels and y dimes in bag B.The total value of the coins is the same for both bags.The combined number of coins in the 2 bags cannot be( )
A30 B40 C60 D80 E100

1.In a group of six people,two have a mass of 60kg while three have a mass one and half times that.what is the mass of the sixth person if the average group mass is 70kg?2.There are x dimes and y nickels in bag A and x nickels and y dimes in bag B.Th
(2*60+3*60*1.5+x)/6=70
(120+3*90+x)=420
420-120-270=x
x=30
x*0.1+y*0.05=x*0.05+0.1y
x=y
A包里的硬币数是x+y
B包里的硬币数也是x+y
A+B=2x+2y=4x
4x如果等于30的话 x就不是整数了
所以不可能

1.In a group of six people,two have a mass of 60kg while three have a mass one and half times that.what is the mass of the sixth person if the average group mass is 70kg?2.There are x dimes and y nickels in bag A and x nickels and y dimes in bag B.Th speak in front of a group in front of a group中文意思 帮我看看两个填空one list was given to each person in a group of fifty women ,and the other list to those in another group of the same ____.填写size 还是amount .only six of that group suggested that she ______ a poor wife .填写was 还是 Combine the instructions of Group A with the statement of group B logicallyCombine the instructions of Group A with the statement of group B logically ( in accordance with the text) and write down the complete sentences:Group A Group Ba.Release 1.p a group of Alice is standing in the c____ of a large group He used to live in()A a six-storeys building B a building of six floored C a six-floor`s building D a building of six storeys in a group 英译汉 5句100分1.Sales of the Group are generally settled in cash or bank acceptance notes(usually in maturity dates of within six months) on delivery2.The Group always keeps the turnover days of trade receivables within two week of its credit c 英语翻译there was much talk about the continued relevance of the G8 - a group originally established in 1975 to include then the world's six most developed economies.我只想知道continued relevance是什么意思?relevance不是相关性吗? 英语翻译In the context of group dynamics,stigmatisation describes a situation in which one group is the subject of negative attributions from another more powerful group. There are ______ people in zhe zoo.A.six thousands B.six hundreds of C.six hundred D.six hundred of a group of man 还是a group of men 为什么? a group of enemies or ,a group of enemy 用a group of 造句. a group of 中文意思 a group of classmates是什么意思