Mark put his dog on a diet. The dog's total weight change for the first 2 weeks was −34 pound. The dog lost the same amount of w
2 answers:
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Answer:
Age of Mark years
Age of Mark's dad years
Age of Mark's sister years
Step-by-step explanation:
Let age of Mark be years.
Mark's dad is three times older than Mark
Age of her Mark's dad
Mark's sister is 2 years younger than Mark
Age of Mark's sister years
The sum of their ages is 48.
Age of Mark years
Age of Mark's dad years
Age of Mark's sister years