The solution equation: (40-0.8x) &# 178; + (30-0.5x) &# 178; = 16 & # 178;

The solution equation: (40-0.8x) &# 178; + (30-0.5x) &# 178; = 16 & # 178;

According to the meaning of the title, we get
It's time to clean up
To solve this equation, we have to
A: the distance between the two cars is 16km