Question

\(\frac{51}{85}\)= \(\frac{84}{x}\)

tìm x

Answer 1

Suy ra 51x= 84.85

51x= 7140

x= 140

Answer 2

51/85 = 3/5 

3 x 28 / 5 = 84/ x 

x = 28 x 5 

x = 140 

Answer 3

\(\frac{51}{85}\)= \(\frac{84}{140}\)

Vậy X = 140 .

Answer 4

\(\frac{51}{85}=\frac{84}{x}\)

\(\Leftrightarrow\) \(51x=84.85\)

\(\Leftrightarrow\) \(51x=7140\)

\(\Leftrightarrow\) \(x=140\)

Vậy x = 140

Answer 5

X=140 (Vì 51 x X=85 x 84)

                 51 x X=7140

                X=7140:51

                X=140

Vậy X bằng 140

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