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Citrus2011 [14]
4 years ago
10

Decrease b by 20%. How do you find it?

Mathematics
1 answer:
tatiyna4 years ago
8 0

"Decrease b by 20%"

this can be expressed as

b minus ( 20% of b )

mathematically,

b - (20/100)b

or

(b - 0.2b)

or

(0.8b)

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