# All Questions

##### Quoc Tran Anh Le Coodinator

14/08/2018 at 02:36-
Lê Anh Duy 14/08/2018 at 03:48
Q = P × 5/4

\(\Rightarrow\) 4Q × 5P = 5P × 5P = (5P)

^{2}Choose d

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Lê Anh Duy 14/08/2018 at 03:48
Sorry, choose c

##### Quoc Tran Anh Le Coodinator

14/08/2018 at 02:34-
Lê Anh Duy 14/08/2018 at 03:45
A + B = Z

Z + P = T

\(\Rightarrow\)A + Z + P + B = Z + T

\(\Rightarrow\)A + 8 = T or A = T - 8

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##### Quoc Tran Anh Le Coodinator

14/08/2018 at 02:33##### Quoc Tran Anh Le Coodinator

14/08/2018 at 02:33##### Quoc Tran Anh Le Coodinator

14/08/2018 at 02:32##### Quoc Tran Anh Le Coodinator

14/08/2018 at 02:31##### Quoc Tran Anh Le Coodinator

14/08/2018 at 02:31-
Mạnh Khôi 14/08/2018 at 14:04
Change : \(1\dfrac{1}{2}=\dfrac{3}{2}\)

Call that number is a

We have :

\(a+\dfrac{3}{2}=\dfrac{3}{2}a\)

\(\Rightarrow\dfrac{3}{2}=\dfrac{1}{2}a\)

\(\Rightarrow a=\dfrac{3}{2}:\dfrac{1}{2}\)

\(\Rightarrow a=3\)

So that number is 3

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##### Quoc Tran Anh Le Coodinator

14/08/2018 at 02:30-
Lê Anh Duy 14/08/2018 at 03:51
Four times the number is four

So the number 1 is the correct answer

Quoc Tran Anh Le selected this answer.

##### Quoc Tran Anh Le Coodinator

14/08/2018 at 02:29##### Quoc Tran Anh Le Coodinator

14/08/2018 at 02:29-
Mạnh Khôi 14/08/2018 at 13:47
Now : Bob is 30 years old and Bill is 20 years old

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