Solved on Jan 12, 2024

Determine how many rectangular prism-shaped concrete bricks a company made given the brick dimensions and total concrete volume used.
13 in×5 in×4 in13 \text{ in} \times 5 \text{ in} \times 4 \text{ in} brick dimensions, 11,700in311,700 \mathrm{in}^{3} concrete volume.

STEP 1

Assumptions
1. Each brick is shaped like a rectangular prism.
2. The dimensions of each brick are 13 inches in length, 5 inches in width, and 4 inches in height.
3. The total volume of concrete used is 11,700in311,700 \mathrm{in}^{3}.
4. The volume of concrete used to make each brick is the volume of the brick itself.

STEP 2

First, we need to calculate the volume of a single brick. The volume VV of a rectangular prism is given by the formula:
V=length×width×heightV = \text{length} \times \text{width} \times \text{height}

STEP 3

Now, plug in the given dimensions for the length, width, and height to calculate the volume of a single brick.
V=13 inches×5 inches×4 inchesV = 13 \text{ inches} \times 5 \text{ inches} \times 4 \text{ inches}

STEP 4

Calculate the volume of a single brick.
V=13×5×4=260in3V = 13 \times 5 \times 4 = 260 \mathrm{in}^{3}

STEP 5

Now that we have the volume of a single brick, we can find out how many bricks were made by dividing the total volume of concrete used by the volume of a single brick.
Number of bricks=Total volume of concrete usedVolume of a single brick\text{Number of bricks} = \frac{\text{Total volume of concrete used}}{\text{Volume of a single brick}}

STEP 6

Plug in the values for the total volume of concrete used and the volume of a single brick to calculate the number of bricks.
Number of bricks=11,700in3260in3\text{Number of bricks} = \frac{11,700 \mathrm{in}^{3}}{260 \mathrm{in}^{3}}

STEP 7

Calculate the number of bricks made.
Number of bricks=11,700260=45\text{Number of bricks} = \frac{11,700}{260} = 45
The company made 45 bricks.

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