Question

Nathan is taking an SAT prep class at the community center in Princeton. The community center is 4 centimeters away from Nathan's house on a city map. The scale of the map is 1 centimeter : 1 kilometer. In real life, what is the distance between Nathan's house and the community center?

Answer 1

we know that

The scale of the map is 1 centimeter: 1 kilometer

Applying proportion

1/1=x/4

x=4*1

x=4 km

the answer is 4 kilometers