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blagie [28]
3 years ago
9

A certain kind of animal weighs about 75 pounds at birth and gains about 2 pounds per day for the first few weeks. Determine tho

se days for which the​ animal's weight is more than 125 pounds.
The​ animal's weight is more than 125 pounds when the animal is more than
........... days old.
Mathematics
1 answer:
Elodia [21]3 years ago
4 0
<h3>Answer:</h3>

25

<h3>Step-by-step explanation:</h3>

Let w represent the weight of the animal in pounds, and d the age in days. The problem statement tells us ...

... w = 75 +2d

We want to find d when w > 125.

... 75 +2d > 125 . . . . . substitute the above expression for w

... 2d > 50 . . . . . . . . . subtract 75

... d > 25 . . . . . . . . . . . divide by 2

The animal will weigh more than 125 pounds when it is more than 25 days old.

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