Question

Qual número é equivalente de 28/80? (Simplifique em só uma passagem).

Answer 1

$\boxed{\begin{array}{l}\begin{array}{c|c}\sf28,80&\boxed{\sf2}\\\sf14,40&\boxed{\sf2}\\\sf7,20&\sf2\\\sf7,10&\sf2\\\sf7,5&\sf5\\\sf7,1&\sf7\\\sf1,1\end{array}\\\\\sf m\cdot d\cdot c(28,80)=2\cdot2=4\\\\\sf\dfrac{28\div4}{80\div4}=\dfrac{7}{20}\blue{\checkmark}\end{array}}$