All Questions
Quoc Tran Anh Le Coodinator
20/08/2018 at 08:02Quoc Tran Anh Le Coodinator
20/08/2018 at 08:00Quoc Tran Anh Le Coodinator
20/08/2018 at 07:59
Alone 20/08/2018 at 14:45
\(2=\dfrac{1}{5}\Rightarrow2:2.7=\dfrac{1}{5}:2.7\)
\(\Rightarrow7=\dfrac{7}{10}\)
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Quoc Tran Anh Le 03/09/2018 at 07:52
<span class="label labelsuccess"><i class="fa fastar fa2"></i> Coodinator</span>
We have:\(2=\dfrac{1}{5}\) and \(7:2=\dfrac{7}{2}\Rightarrow7=\dfrac{1}{5}.\dfrac{7}{2}=\dfrac{7}{10}\)

Quoc Tran Anh Le 03/09/2018 at 07:50
<span class="label labelsuccess"><i class="fa fastar fa2"></i> Coodinator</span>
If \(2=\dfrac{1}{5}\Rightarrow7=\dfrac{7}{10}\) .Because, \(7:2=\dfrac{7}{2}\),we have: \(2=\dfrac{1}{5}\Leftrightarrow7=\dfrac{1}{5}.\dfrac{7}{2}=\dfrac{7}{10}\)
Quoc Tran Anh Le Coodinator
20/08/2018 at 07:59Quoc Tran Anh Le Coodinator
19/08/2018 at 11:19
Huỳnh Anh Phương 20/08/2018 at 03:31
YY + YY = XYZ
=> X = 1
If Y = 8 => 88 + 88 = 176 (impossible)
So Y = 9
We have : 99 + 99 = 198 (possible )
=> Z = 8
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Quoc Tran Anh Le Coodinator
19/08/2018 at 11:17
Alice Clara 23/08/2018 at 03:54
Call the numbers of men and women are x, y
we have 36(x+y)=45x+30y => 6y=9x => x/y = 3/2
The ratio of the men to the women is 3/2
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Alice Clara 23/08/2018 at 03:57
so sorry x/y=2/3
Quoc Tran Anh Le Coodinator
19/08/2018 at 11:17
Huỳnh Anh Phương 20/08/2018 at 03:38
If A=4
=>F=6; U=N=2
So we have:
622+622+622+622=2488
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Quoc Tran Anh Le Coodinator
19/08/2018 at 11:16Quoc Tran Anh Le Coodinator
19/08/2018 at 11:16
Alice Clara 23/08/2018 at 03:45
We have A*B*C=1 so B*C can not equal 0 but B*C*D=0 so D=0

Lê Anh Duy 22/08/2018 at 15:25
Sorry D = 0