## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

$25$
$\bf{\text{Solution Outline:}}$ 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}