Respuesta :

Answer:

Can you take a pic of the problem if you can't type it out?

Step-by-step explanation:

Answer:

3/10a

Step-by-step explanation:

4/5a - 1/2a

4 × 2a - 1 × 5a/5a × 2a

8a - 5a/10a²

3a/10a²

3/10a

-TheUnknownScientist

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