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A) Estimate 49% of 162. b) Use mental math to calculate 49% of 162.
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A) Estimate 49% of 162.
b) Use mental math to calculate 49% of 162.

User WagnerMatosUK
by
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1 Answer

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49% = 50% - 1%

So half of 162 is 81. 1% of 162 is about 2

So 49% ~ 81 - 2 ~79

(actual value is 79.38)
User Sean Amarasinghe
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