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Stolb23 [73]
2 years ago
12

The height of the water in a tank decreases 3 inches each week due to evaporation and every two weeks a man adds 5 inches of wat

er into the tank. If the original height of the water in a tank is 75 in, what is the change in height of the water in a four-week period?
Pls solve ASAP!
Brainliest
Mathematics
2 answers:
atroni [7]2 years ago
7 0
75

Reduction of 12
3 x 4 = 12

Increase of 10
5 x 2 = 10

75 - 12 = 63
63 + 10 = 73

Change = 2 inches (75 - 73)
max2010maxim [7]2 years ago
3 0

Answer:

73 inches

Step-by-step explanation:

First you calculate the the change separately. The change for 4 weeks would be...

Evaporation: -3x4=-12  

Adding water (every 2 weeks): 5x2=10

Then you add -12 + 10 = -2. There is a -2 inches change during 4 weeks. Finally you subtract 75 -2 = 73 inches.

Your welcome!

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The true statements are:

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<em />

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