document.write( "Question 550286: Kate is 12 years old. His age is 4 times the age of Robbie. Find the age of Robbie. \n" ); document.write( "
Algebra.Com's Answer #358585 by TutorDelphia(193)\"\" \"About 
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We can reason this problem out. If Kate is 12 and 4 times Robbie's age, Robbie must by 3 because 3*4=12\r
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\n" ); document.write( "\n" ); document.write( "Doing this using algebra we see that:
\n" ); document.write( "k=12
\n" ); document.write( "k=4*r
\n" ); document.write( "12=4*r
\n" ); document.write( "r=3
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