Answer
$1\frac{1}{4z}$
Work Step by Step
$\frac{\frac{7}{10}}{\frac{14z}{25}}$
$=\frac{7}{10}\div\frac{14z}{25}$
$=\frac{7}{10}\times\frac{25}{14z}$
$=\frac{1}{2}\times\frac{5}{2z}$
$=\frac{5}{4z}$
$=1\frac{1}{4z}$
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