Don L. answered 05/30/19
Fifteen years teaching and tutoring basic math skills and algebra
Hi Kelsy, if 2 cm represents 100 miles, then 1 cm represents 50 miles and .5 cm represents 25 miles.
Town A is 3.5 cm, or 175 miles from town B.
Town C is 2 cm, or 100 miles from town B.
Then, town A is 175 miles plus 100 miles, or 275 miles from town C.
Questions?