Question

Se cosidera proportia x/7=4/3.Determinati: x+4/10.

Answer 1

$\frac{x}{7}=\frac{4}{3}=>x=7*4/3=\frac{28}{3}\\   \\\frac{x+4}{10}=\frac{\frac{28}{3}+4}{10}=\frac{\frac{28+12}{3}}{10}=\frac{\frac{40}{3}}{10}=\frac{40}{3}*\frac{1}{10}=\frac{4}{3}$