600 to be seated. 10 benches are less. 2 more persons are required to be seated in each bench. How many benches.
209
36
44
60

• x*y=600,---------(1)
  
  and given that 10 benches are less hence 2 students are seated more than per bench then
  
  600=(x-10)*(y+2)
  600=xy+2x-10y-20------------(2)
  
  since xy=600
  then eq(2) is
  2x-10y=20
  
  2x-10(600/x)=20
  
  on solving
  
  we get x=60
• 6 years agoHelpfull: Yes(2) No(0)