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Martene got a small aquarium for her birthday. The aquarium is a right rectangular prism 
18.5cm long by 
15cm wide. Martene put 
3885cm^(3) of water in the aquarium.
How deep is the water in the aquarium?
cm

Martene got a small aquarium for her birthday. The aquarium is a right rectangular prism 18.5 cm 18.5 \mathrm{~cm} long by 15 cm 15 \mathrm{~cm} wide. Martene put 3885 cm3 3885 \mathrm{~cm}^{3} of water in the aquarium.\newlineHow deep is the water in the aquarium?\newlinecm

Full solution

Q. Martene got a small aquarium for her birthday. The aquarium is a right rectangular prism 18.5 cm 18.5 \mathrm{~cm} long by 15 cm 15 \mathrm{~cm} wide. Martene put 3885 cm3 3885 \mathrm{~cm}^{3} of water in the aquarium.\newlineHow deep is the water in the aquarium?\newlinecm
  1. Denote Depth as 'd': Let's denote the depth of the water in the aquarium as dd in centimeters. The volume VV of water in a right rectangular prism (the shape of the aquarium) is given by the formula V=length×width×depthV = \text{length} \times \text{width} \times \text{depth}. We know the volume of water, the length, and the width of the aquarium, so we can solve for the depth.
  2. Calculate Volume Equation: Given the volume of water V=3885cm3V = 3885 \, \text{cm}^3, the length l=18.5cml = 18.5 \, \text{cm}, and the width w=15cmw = 15 \, \text{cm}, we can set up the equation 3885=18.5×15×d3885 = 18.5 \times 15 \times d to find the depth dd.
  3. Set Up Equation: Now we solve for dd by dividing both sides of the equation by the product of the length and width: d=3885(18.5×15)d = \frac{3885}{(18.5 \times 15)}.
  4. Solve for Depth: Performing the calculation gives us d=3885277.5d = \frac{3885}{277.5}.
  5. Calculate Final Depth: Calculating the division, we get d14d \approx 14. Therefore, the depth of the water in the aquarium is approximately 1414 centimeters.

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