document.write( "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? \n" ); document.write( "
Algebra.Com's Answer #480159 by stanbon(75887)\"\" \"About 
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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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\n" ); document.write( "Equations:
\n" ); document.write( "m = (2/5)b
\n" ); document.write( "b = 25
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\n" ); document.write( "Mark = (2/5)25 = 10
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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