SOLUTION: a dog and a puppy together weigh 28 pounds, with their weights being 5:2. what is the weight of the puppy in pounds.

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Question 288441: a dog and a puppy together weigh 28 pounds, with their weights being 5:2. what is the weight of the puppy in pounds.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
5n+2n=28
7n=28
n=28/7
n=4 is the multiplier for the ratios.
5*4=20 pounds for the dog.
2*4=8 pounds for the puppy.
Proof:
5/2=20/8
40=40
20+8=28
28=28