Answer:
the faster car will be 7 miles ahead the slower car
Step-by-step explanation:
Answer:x=8
You have to subtract 12 to 4
So x=8
let's x represent a number
8-x = 4
x=4
since triangles are proportional by 2:1, then:
16/2=3x-4
8=3x-4
3x=12
