document.write( "Question 575149: When Ricky was 10 years old, his father was 45.How many years must pass for Ricky to be 5 years older than 1/5 as old as his father? \n" ); document.write( "
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When Ricky was 10 years old, his father was 45.How many years must pass for Ricky to be 5 years older than 1/5 as old as his father?
\n" ); document.write( "sol:
\n" ); document.write( "consider it as now,ricky = 10
\n" ); document.write( " father= 45
\n" ); document.write( "after x years ricky = 10 + x ------ (1)
\n" ); document.write( " in terms of father's age ricky = 1/5*(45+x) + 5 ------(2)
\n" ); document.write( "after x years ricky will be 5 years older than 1/5 of fathers
\n" ); document.write( " equate 1 & 2
\n" ); document.write( "you will get x = 5.
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