Question

Quanto é 40% de 3600?

Answer 1

$\dfrac{3600}{x}=\dfrac{100\%}{40\%}\\\\\\\dfrac{3600}{x}=\dfrac{10}{4}\\\\\\10x=3600\cdot4\\\\x=\dfrac{3600\cdot4}{10}\\\\\\x=360\cdot4\\\\\boxed{x=1440}$


40% de 3600 é 1440.