Question

Quanto é 30 % de 102,00?

Answer 1

30% de 102,basta multiplicar 30/100.102=> 3060/100=> 30,6

Answer 2

Olá !

Resolução :

$\mathsf{\dfrac{100}{30} =\dfrac{102}{X}} \\\\\\ \mathsf{ 100X = 30\cdot102} \\\\\\ \mathsf{ 100X = 3060 } \\\\\\ \mathsf{ X =\dfrac{3060}{100}} \\\\\\ \mathsf{ X = 30,6}$

Resposta : $\mathsf{\textbf{30,6}}$