Respuesta :

sirNEWTON

let the volume of the key be X.

volume of solution is 50ml

X+ 50ml = 55ml

X= 55ml - 50 ml

X= 5ml

BiologiaMagister

Answer:

5mL

Explanation:

If we have a graduated cylinder with 50mL of water, and after adding a key, the volume rises to 55mL, all we have to do is calculate the difference between the two values (so, we subtract):

55 - 50 = 5

Hope it helped,

BiologiaMagister