Question

x:8=7:4

giúp giải vs 

Answer 1

`x:8=7:4`

`x:8=1,75`

`x=1,75xx8`

`x=14`

Answer 2

x : 8=7  : 4

=> \(\dfrac{x}{8}=\dfrac{7}{4}=>8.7=x.4=>56=x.4=>x=56:4=>x=14\)

Answer 3

x : 8 = 7 : 4

x : 8 = $\dfrac{7}{4}$

x = $\dfrac{7}{4}$ \(\times\) 8

x = 14.

Answer 4

\(x:8=\dfrac{7}{4}\\ x=\dfrac{7}{4}\times8\\ x=14\)