Question

calcule mentalmente 10 % de 2.300,00

Answer 1

230,00 ............................

Answer 2

Resolvendo:

$\mathsf{=10\%\:de\:2.300}\\\\\\\mathsf{=\dfrac{10}{100}\cdot 2.300}\\\\\\\mathsf{=\dfrac{1}{10}\cdot 2.300}\\\\\\\mathsf{=\boxed{\mathsf{230}}}\: \: \checkmark$