How much would a 10th dog have to weigh for the average to be 50 pounds?

Step-by-step explanation:

Need to know the weight of the first nine dogs. Lmk.

The formula for average is the sum of the numbers divided by the number of numbers. In essence, we do not know what the 10th number is so we have x+the other numbers all over 10. The average needs to be 250.

250=(x+328)/10

Multiply both sides by 10. The equal sign means that anything you do to one side (except distribution) must be done to the other or they stop being equal.

2500=x+328.

Subtract 328 from both sides to get the weight of the missing dog. The dog will be x=2172 pounds. Luckily word problems seldom make logical sense.Step-by-step explanation:

20

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step-by-step explanation:

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