document.write( "Question 114475: ankit is now 9 yrs older thn bobby.in 10 yrs ankit will be twice as old as bobby was 10 yrs ago.find their age i tried this sum plenty of times but i didnt get it right please help me and thanks
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Algebra.Com's Answer #83303 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Ankit is now 9 yrs older than bobby; in 10 yrs ankit will be twice as old as bobby was 10 yrs ago. find their ages \n" ); document.write( ": \n" ); document.write( "Write an expression for each statement \n" ); document.write( "\"Ankit is now 9 yrs older than bobby\" \n" ); document.write( "B = Bobby's age now \n" ); document.write( "Then \n" ); document.write( "A = (B + 9) (Ankit's age) \n" ); document.write( ": \n" ); document.write( "\"in 10 yrs ankit will be twice as old as bobby was 10 yrs ago.\" \n" ); document.write( "(A + 10) = 2(B - 10) \n" ); document.write( "A + 10 = 2B - 20 \n" ); document.write( "A = 2B - 20 - 10 \n" ); document.write( "A = 2B - 30 \n" ); document.write( ": \n" ); document.write( "Substitute (B+9) for A in the above equation; solve for B: \n" ); document.write( "B + 9 = 2B - 30 \n" ); document.write( "B = 2B - 30 - 9 \n" ); document.write( "B - 2B = -39 \n" ); document.write( "-B = -39 \n" ); document.write( "or \n" ); document.write( "B = +39 is Bobby's age now \n" ); document.write( "Then \n" ); document.write( "39 + 9 = 48 = Ank's now \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check our solution in the statememt: \n" ); document.write( "\"in 10 yrs ankit will be twice as old as bobby was 10 yrs ago\" \n" ); document.write( "(48 + 10) = 2(39 - 10) \n" ); document.write( " 58 = 2(29) confirms or solutions \n" ); document.write( ": \n" ); document.write( "Did this method help with this stuff? \n" ); document.write( " \n" ); document.write( " |