Question 543248: Puppies are exercised 15 minutes longer than dogs. Puppies are exercised 45 minutes daily. Write and solve equation to find number of minutes dog is exercised daily.
Answer by lmeeks54(111)   (Show Source):
You can put this solution on YOUR website! This is about learning how to set up problems since there is a very simple calculation involved.
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Let p = # minutes puppies are exercised
Let d = # minutes dogs are exercised
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given:
p = 45 minutes
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The wording about puppies being exercised 15 minutes more than dogs can be written as this equation:
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p = d + 15 minutes
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The task here is to solve for d, the number of minutes dogs are exercised. This equation can be rewritten in terms of solving for d.
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Subtract 15 minutes from both sides:
p - 15 = d
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Substitute in the given value for p:
45 - 15 = d
30 = d
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dogs are exercised for 30 minutes
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cheers,
Lee
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