Respuesta :

stressandtension

Answer:

[tex]1\frac{2}{3}[/tex] hour

Step-by-step explanation:

Ali was 10miles away from Fahd when Fahd began. ([tex]\frac{20}{60}[/tex] × 30miles= 10miles)

Let x be the time for they reach the same point,

10+30x=36x

         x=[tex]\frac{5}{3}[/tex]