Basic College Mathematics (10th Edition)

$\frac{60}{1}$
1.8 meters to 0.3 meter $\frac{1.8}{0.03}$ = $\frac{1.8\times100}{0.03\times100}$ = $\frac{180}{3}$ = $\frac{180\div3}{3\div3}$ = $\frac{60}{1}$