Homework Help: math

Posted by Anonymous on Friday, April 10, 2009 at 8:17pm.

The sum of the ages of the three Romano brothers is 63. If their ages can be represented as consecutive integers, what is he age of the middel brother?

math - Reiny, Friday, April 10, 2009 at 11:52pm
let the middle brother's age be x
then the oldest is x+1
and the youngest is x-1

x-1 + x + x+1 = 63

solve for x to get middle brother's age.
math - drwls, Saturday, April 11, 2009 at 4:29pm
63 is three times the average age (which is that of the middle brother), so that age much be 21. The ages of all three are therefore 20, 21 and 22.

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