Question by Quoc Tran Anh Le - Discuss with MathYouLike

Quoc Tran Anh Le Coordinator

14/08/2018 at 02:36

If \(\dfrac{P}{Q}\) = \(\dfrac{4}{5}\) , then 4Q \(\times\) 5P is ?

Consider P and Q as positive, whole numbers.

a. 20

b. a negative number

c. a square number

d. \(\dfrac{5}{4}\times P\)

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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

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