Question

a rectangular fish tank is 8 inches long and 5 inches wide. the tank is filled with water to a height of 2 inches. what is the volume of the water in the tank?
a 80 in³
b 26 in³
c 40 in³
d 56 in³

Explanation:

Step1: Recall volume formula

The volume formula for a rectangular - prism is $V = l\times w\times h$, where $l$ is length, $w$ is width and $h$ is height.

Step2: Substitute values

Given $l = 8$ inches, $w = 5$ inches and $h = 2$ inches. Substitute these values into the formula: $V=8\times5\times2$.

Step3: Calculate

$8\times5\times2=(8\times5)\times2 = 40\times2=80$ cubic inches.

Answer:

A. 80 in³