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yarga [219]
3 years ago
12

I need to find the unit rate and round to the nearest hundreth if necessary.

Mathematics
1 answer:
Damm [24]3 years ago
6 0

27 cents per pound

Step-by-step explanation:

2.99/11

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Water weighs 62.4 pounds per cubic foot. How much does the water in a tank that measures 7 ft × 4 ft × 9 in, weigh?
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Answer:

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Explanation:

<u>1) Calculate the volume of the water in the tank.</u>

  • Area of the base of the tank: B = 7 ft × 4 ft = 28 ft²
  • Height of the tank: H = 9 in = 9 in × 1 ft / 12 in = 0.75 ft
  • Volume of the tank: V = area of the base × height = B × H = 28 ft² × 0.75 ft = 21 ft³.

<u>2) Calculate the weight of 21 ft³ of water.</u>

Since this is not a chemistry question but a math question, I will not use the fomula of density but set a proportion with one unknown:

  • 62.4 lb / 1 ft³ = x / 21 ft³

Solve for x:

  • x = 21 ft³ × 64 lb / ft³ = 1,310.4 lb.

So, rounding to the next integer, the water in the tank weighs 1,310 pounds, when it is full.

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bogdanovich [222]

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Step-by-step explanation:

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The 2021 senior trip is scheduled to be in Orlando Florida at the new Disney world theme park. Marcus has been saving his lunch
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Step-by-step explanation:

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