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Una máquina embotelladora llena 240 botellas en 20 minutos. Cuántas llenará en una hora y media?

Sagot :

Step-by-step explanation:

A physical change is a change to a sample of matter in which some properties of the material change, but the identity of the matter does not. Physical changes can further be classified as reversible or irreversible. The melted ice cube may be refrozen, so melting is a reversible physical change