The distance from city A to city B is 3 times father than the distance between city B and city C. The total distance from city A to city B to city C is 50 miles. How far is it from city A to city B?

Respuesta :

3x + x = 50
4x = 50
x = 50 : 4
x = 12.5
3 × 12.5 = 37.5