lobster
lobster
23-10-2015
Mathematics
contestada
Half of a number decreased by 8 is 3
Respuesta :
AL2006
AL2006
23-10-2015
With the Brainly help you've gotten in the last 15 minutes or so,
you should be able to do this one now.
The mystery number . . . . . . . M
Half of it . . . . . . . . . . . . . . . . 1/2 M
Half of it decreased by 8 . . .
1/2 M - 8
You said that's 3 .
So the equation you have to solve is
1/2 M - 8 = 3
Add 8 to each side: 1/2 M = 11
Multiply each side by 2 :
M = 22
This is easier than the last one we ( I ) did.
Answer Link
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