SOLUTION: Mark is 2/5 the age of his brother. if his brother is 25 years old , which equation could be use to determine m , Mark's age?

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Question 792868: Mark is 2/5 the age of his brother. if his brother is 25 years old , which equation could be use to determine m , Mark's age?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Mark is 2/5 the age of his brother. if his brother is 25 years old , which equation could be use to determine m , Mark's age?
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Equations:
m = (2/5)b
b = 25
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Mark = (2/5)25 = 10
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Cheers,
Stan H.