document.write( "Question 1057892: There are 3 childrenL Ivan, Maria and Nadia. Ivan is 3 times older than Nadia. Maria is 5 years younger than Ivan. The sum of the years of the 3 childres is: 23. How old are Ivan, Maria and Nadia? \n" ); document.write( "
Algebra.Com's Answer #672889 by jorel555(1290)\"\" \"About 
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Let Nadia be n. Then Ivan is 3n, and Maria is 3n-5. So:
\n" ); document.write( "n+3n+3n-5=23
\n" ); document.write( "7n=28
\n" ); document.write( "n=4
\n" ); document.write( "Nadia is 4, Ivan is 12, and Maria is 7. ☺☺☺☺
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