liarome08
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Which amount is larger and by how much? A positive number a or the same number a decreased by 50% and then increased by 50% of the result?

Respuesta :

sqdancefan
a*(1 -0.5)*(1 +0.5) = 0.75a . . . . the original number "a" is larger

(a/(0.75a) -1) * 100% = 33 1/3% . . . . the original number is larger by 33 1/3% of the revised number

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