Question
For her science project, Jada wants to build a rectangular prism out of foam blocks. The prism should have a volume of 350 cubic inches and a height of 5 inches, What does the area of the base of the prism need to be for the given volume and height? Give one pair of possible whole-number dimensions for the base
Ask by Lewis Rose. in the United States
Mar 12,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
The area of the base needs to be 70 square inches. One possible pair of whole-number dimensions for the base is 7 inches by 10 inches.
Solution
The volume \( V \) of a rectangular prism is given by
\[
V = \text{(Area of base)} \times \text{(Height)}
\]
Given that the volume \( V = 350 \) cubic inches and the height \( h = 5 \) inches, we set up the equation:
\[
\text{(Area of base)} \times 5 = 350
\]
To find the area of the base, divide both sides by \(5\):
\[
\text{Area of base} = \frac{350}{5} = 70 \text{ square inches}
\]
Next, we need one pair of whole-number dimensions for the rectangular base. The area of the base is the product of its length and width. One possible pair of whole numbers that multiply to \(70\) is \(7\) and \(10\), since
\[
7 \times 10 = 70
\]
Thus, the area of the base needs to be \(70\) square inches, and one possible pair of whole-number dimensions for the base is \(7\) inches by \(10\) inches.
Answered by UpStudy AI and reviewed by a Professional Tutor
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The Deep Dive
To find the area of the base of the prism, we can use the formula for volume: Volume = Base Area × Height. Since Jada wants a volume of 350 cubic inches and the height is 5 inches, we can rearrange the formula to solve for the area of the base. Base Area = Volume ÷ Height = 350 ÷ 5 = 70 square inches. One pair of possible whole-number dimensions for the base could be 10 inches by 7 inches (since 10 × 7 = 70). So, dimensions like 10 inches in length and 7 inches in width would work perfectly for her project!