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After visiting the Needleton Natural Museum, Irma was so fascinated by the reptile exhibit that she got her very own pet lizard. Irma bought a terrarium shaped like a rectangular prism for her lizard to live in. The terrarium is $20$ inches long, $15$ inches wide, and $12$ inches tall. $\newline$ Which equation can you use to find the volume of the terrarium, $V$ ? $\newline$ Choices: $\newline$ (A) $V = 20 \times 15 \times 12$ $\newline$ (B) $20 \times 15 = 12 \times V$ $\newline$ What is the volume of the terrarium? $\newline$ Write your answer as a whole number or decimal. Do not round. $\newline$ ____ cubic inches

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Volume of cubes and rectangular prisms: word problems

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Q. After visiting the Needleton Natural Museum, Irma was so fascinated by the reptile exhibit that she got her very own pet lizard. Irma bought a terrarium shaped like a rectangular prism for her lizard to live in. The terrarium is

20

inches long,

15

inches wide, and

12

inches tall.

\newline

Which equation can you use to find the volume of the terrarium,

V

?

\newline

Choices:

\newline

(A)

V = 20 \times 15 \times 12

\newline

(B)

20 \times 15 = 12 \times V

\newline

What is the volume of the terrarium?

\newline

Write your answer as a whole number or decimal. Do not round.

\newline

____ cubic inches

Identify dimensions: Identify the dimensions of the terrarium and the formula needed to calculate the volume.
Choose equation: Choose the correct equation from the given choices to calculate the volume.
Calculate volume: Calculate the volume using the chosen equation.

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