Use the ratio of map distance to real distance.
3 cm : 15 km
Divide both sides by 3.
1 cm : 3 km
Convert both cm and km to meters.
0.01 m : 3000 m
Divide both sides by m, and multiply both sides by 100.
1: 300,000
Amanda could’ve ate 1/4 and Lauren could’ve ate 3/4. I hope this helps!
