Respuesta :

Answer:

16.8 is the answer

Step-by-step explanation:

(.40 x 42= 16.8)

It's super simple. Hope this helped!

Answer:

16.8

think as 42 is 100%

what would be 40%

if 42 =100%

X = 40%.....take a cross

(40*42)/100=X

1680/100=x

X=16.8.........the final answer

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