How do you divide 25kg in a ratio of 2:3:5
\(2:3:5\to2+3+5=10\\\\25kg:10=2.5kg\\\\therefore\\\\2\cdot2.5kg=\boxed{5kg}\\\\3\cdot2.5kg=\boxed{7.5kg}\\\\5\cdot2.5kg=\boxed{12.5kg}\)