document.write( "Question 831: A swimmer takes 100seconds to swim 50m. In 1 years time he has increased it's speed by 25%. Wat is the time he took to swim 50m now. \n" ); document.write( "
Algebra.Com's Answer #726240 by amalm06(224)![]() ![]() You can put this solution on YOUR website! Speed last year: 0.5 m/s, since velocity is measured in m/s. \r \n" ); document.write( "\n" ); document.write( "Speed this year: (0.5)(1.25) = 0.625 m/s\r \n" ); document.write( "\n" ); document.write( "Time this year: (1/0.625)(50)=80 s (Answer) \n" ); document.write( " |