document.write( "Question 1053249: Peter is one-fifth of his fathers age. Their combined age is 48. Write a linear equation to represent this information. Solve the linear equation. How old is Peter's Father and how old is Peter? \n" ); document.write( "
Algebra.Com's Answer #668477 by addingup(3677)![]() ![]() You can put this solution on YOUR website! Peter: P \n" ); document.write( "Father: F \n" ); document.write( "You can substitute with x and y if required. \n" ); document.write( ": \n" ); document.write( "P = 1/5F \n" ); document.write( "P+F = 48 substitute for P \n" ); document.write( "1/5F+F = 48 \n" ); document.write( "Multiply both sides times 5: \n" ); document.write( "F+5F = 240 \n" ); document.write( "6F = 240 \n" ); document.write( "F = 240/6 = 40 The father is 40 \n" ); document.write( "And Peter: 40*1/5 = 40/5 = 8 Peter is 8 \n" ); document.write( " |