Respuesta :

Initially canteen had "s" sausages.

25 are sold at lunchtime

Number of sausages left =s-25

Answer:

(s-25 )

Step-by-step explanation:

Given :

Total sausages at the canteen = s

Number of sausages sold at lunch time = 25

Therefore, number of sausages left at the canteen = ( s - 25 )

Thus,  (s-25 ) sausages are left at the canteen after lunch time.