Problema Solution

in 2001 the 12 minute record for the hot dog eating contest was increased by about 100% to 50 hot dogs. approximately what was the previous recorrd

Answer provided by our tutors

The previous record is 25 pieces hot dogs

 

Solution: Set the  previous recorrd is X

 

               The increased rate is 100%, 

                So X (1+100%) = 50

                X = 25