Let R Be the Rectangle Consisting of All Points (X $\iint _ { R } 5 \sqrt { x y } d y d x$

Multiple Choice

Let R be the rectangle consisting of all points (x, y) such that 1 ≤ x ≤ 25, 1 ≤ y ≤ 16.
Calculate $\iint _ { R } 5 \sqrt { x y } d y d x$

A) 795,600
B) 156,240
C) 17,360
D) 198,900