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2 years ago

Help i’m so confused on this question

Mathematics

2 answers:

Sav [38]2 years ago

5 0

Answer:

12:30 PM

Step-by-step explanation:

In 2 hours (8:30 AM and 10:30 AM) she filled half of the full pond.

So to fill the other half we double how long it has taken her to do the first half assuming she doesn't stop. Therefore, the answer will be 12:30 PM

MAKE SURE TO WRITE PM AS IT IS AT MIDDAY

Nuetrik [128]2 years ago

5 0

Answer:

Hello, the pool will be full at 12:30 PM. 1200 gallons is half of the capacity of the pool (2400), and the pool was half full at 10:30 AM after being run since 8:30 AM - two hours. This means that the pool will only need two more hours to fill up, and it will be full at 12:30 in the afternoon.

Have a great day! - Mani :)

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3 years ago

Problem is in the attached picture. Thanks in advance!

bogdanovich [222]

Answer:

Width= 120 ft

Length= 285 ft

Step-by-step explanation:

W= width and (3w-75)= length since it's 75 less than 3 times the width

w+w+(3w-75)+(3w-75)=810

8w-150=810

8w=960

w=120

So the width is 120 ft

Then substitute the 120 in for w in the length

L= 3(120)-75

L=360-75

L=285

So the length is 285 ft

You can check because 120+120+285+285=810, and because 120×3-75=285!

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3 years ago

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