Question Number 74181 by MASANJAJ last updated on 19/Nov/19
Answered by Rio Michael last updated on 19/Nov/19
$$\mathrm{1}{cm}\:=\:\mathrm{500000}{cm} \\ $$$$\mathrm{1}{cm}\:=\:\mathrm{5}{km} \\ $$$$\:{x}\:=\:\mathrm{30}{km} \\ $$$$\mathrm{30}\:=\:\mathrm{5}{x} \\ $$$${x}\:=\:\mathrm{6}{cm} \\ $$