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Mathematics 18 Online
OpenStudy (anonymous):

Ryan's dog weighs 55 pounds, and Mark's dog weighs p pounds. Which expression shows their combined weight? 55 × p 55 + p 55 ÷ p 55 - p @Secret-Ninja

OpenStudy (secret-ninja):

The word "combined" is key here. When you combine it, you put it together, a.k.a. add it.

OpenStudy (secret-ninja):

So its 55 + p

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