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Algebra Explain how to use mental math to find the unknown
Number in the equation 12 xb= 480.Solve

Respuesta :

Answer:

40

Step-by-step explanation:

12xb=480

divide both sides by 12, using your basic multiplication facts, you know that 48/12 is 4. Since it is 480, the answer is 40.

you now have b=40