Answer
$25$
Work Step by Step
$\bf{\text{Solution Outline:}}$
To divide the given expression, $
15\div\dfrac{3}{5}
,$ multiply the dividend by the reciprocal of the divisor.
$\bf{\text{Solution Details:}}$
Multiplying the dividend and the reciprocal of the divisor, the given expression is equivalent to
\begin{array}{l}\require{cancel}
15\div\dfrac{3}{5}
\\\\=
15\cdot\dfrac{5}{3}
\\\\=
\cancel3(5)\cdot\dfrac{5}{\cancel3}
\\\\=
25
.\end{array}