Question

Để a/125=34/85 thì a phải bằng bao nhiêu ?

Cách làm ??

Answer 1

\(\frac{a}{125}=\frac{34}{85}\Rightarrow85a=34\times125\)

=>85a=4250

=>a=4250:85

=>a=50

Answer 2

Ta có:

a/125=34/85

a/125=2/5

a/125=50/125

Suy ra a=50

Vậy a=50

Answer 3

\(\frac{a}{125}=\frac{34}{85}\)

\(a=\frac{34}{85}\cdot125\)

\(a=50\)

Answer 4

\(\frac{a}{125}=\frac{34}{85}\)

\(a=\frac{34}{85}\div125\)

\(a=50\)

Answer 5

a=50 nhé