document.write( "Question 30518: will a tutor please help me with this problem,
\n" ); document.write( " Ann's present age exceeds Bob's age by 25 years. In 15 years Ann will be twice as old as bob.Find both ages\r
\n" ); document.write( "\n" ); document.write( " Ann now-
\n" ); document.write( " Bob now-
\n" ); document.write( " Ann in 15-
\n" ); document.write( " Bob in 15-
\n" ); document.write( "

Algebra.Com's Answer #17142 by sdmmadam@yahoo.com(530)\"\" \"About 
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Ann's present age exceeds Bob's age by 25 years. In 15 years Ann will be twice as old as bob.Find both ages
\n" ); document.write( "Ann now-
\n" ); document.write( "Bob now-
\n" ); document.write( "Ann in 15-
\n" ); document.write( "Bob in 15- \r
\n" ); document.write( "\n" ); document.write( "Let Ann be A yrs old now
\n" ); document.write( "and let Bob be B yrs old now
\n" ); document.write( "Ann's present age exceeds Bob's age by 25 years
\n" ); document.write( "That is A = B+25 ----(1)
\n" ); document.write( "In 15 years Ann will be twice as old as bob.
\n" ); document.write( "In 15 years
\n" ); document.write( "Ann will be (A+15) yrs old
\n" ); document.write( "and Bob will be (B+15) yrs old
\n" ); document.write( "And then Ann will be twice as old as bob.
\n" ); document.write( "Therefore (A+15)= 2(B+15)
\n" ); document.write( "A+15 = 2B +30
\n" ); document.write( "A-2B = 30-15
\n" ); document.write( "A-2B = 15 ----(2)
\n" ); document.write( "Using (1), that is A = B+25
\n" ); document.write( "(B+25)-2B = 15
\n" ); document.write( "(B-2B) = 15-25
\n" ); document.write( "-B = -10
\n" ); document.write( "Therefore B = 10
\n" ); document.write( "Putting B = 10 in (1)
\n" ); document.write( "A = B+25 = 10+25 = 35\r
\n" ); document.write( "\n" ); document.write( "Answer: Ann's present age is 35 yrs
\n" ); document.write( "and Bob's present age is 10 yrs
\n" ); document.write( "In 15 yrs
\n" ); document.write( "Ann will be (35+15) = 50 yrs
\n" ); document.write( "and Bob will be (10+15) = 25 yrs
\n" ); document.write( "Verification: In 15 years Ann should be twice as old as bob
\n" ); document.write( "which is of course true as 50 is twice 25.
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