\(\frac{5}{8}:\frac{x}{4}=\frac{1}{4}\)
\(\frac{x}{4}=\frac{5}{8}:\frac{1}{4}=\frac{5}{8}.4=\frac{5}{2}=\frac{10}{4}\)
\(\frac{5}{8}:\frac{x}{4}=\frac{1}{4}\)
\(\frac{x}{4}=\frac{5}{8}:\frac{1}{4}\)
\(\frac{x}{4}=\frac{5}{2}\)
\(\frac{x}{4}=\frac{10}{4}\)
\(\Rightarrow x=10\)
tick đúng cho mk nhé Trương Thị Bảo Ngọc