Math Problem Statement
It takes a hose 5 minutes to fill a rectangular aquarium 8 inches long, 13 inches wide, and 14 inches tall. How long will it take the same hose to fill an aquarium measuring 21 inches by 34 inches by 35 inches?
Solution
To solve this problem, we need to determine the volumes of both aquariums and then use the relationship between their volumes to calculate the time required to fill the larger aquarium.
Step 1: Calculate the volume of the smaller aquarium.
The dimensions of the smaller aquarium are 8 inches long, 13 inches wide, and 14 inches tall.
Step 2: Calculate the volume of the larger aquarium.
The dimensions of the larger aquarium are 21 inches long, 34 inches wide, and 35 inches tall.
Step 3: Determine the time ratio based on the volumes.
The time it takes to fill the aquarium is proportional to the volume, so we can set up a ratio comparing the two volumes and their corresponding times.
Let be the time to fill the larger aquarium.
Final Answer:
It will take approximately 85.8 minutes (or about 1 hour and 26 minutes) to fill the larger aquarium with the same hose.
Would you like more details or have any questions?
Here are 5 related questions:
- How would the time change if the water flow rate from the hose were doubled?
- What if the larger aquarium was only half filled—how long would that take?
- How does the volume of different geometric shapes compare, like a cylinder or sphere?
- How could you calculate the time if the hose had varying flow rates?
- What factors might affect the actual time it takes to fill an aquarium, such as water pressure?
Tip: Understanding the relationship between volume and time is crucial for tasks involving fluid dynamics, whether filling containers or planning water distribution systems.
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Math Problem Analysis
Mathematical Concepts
Geometry
Volumes
Formulas
Volume of a rectangular prism
Theorems
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Suitable Grade Level
Grades 7-9
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