If you walk 1 km how many miles did you walk

Pls urgent max amount of points will be given and pls do not answer if unsure or you will be reported by me and brainliest answer gets the brainliest .. thing so yeh

With finding limits of multi variable !

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m