Respuesta :

Answer:

36$ in 3 hours,  so 12$ in 1 hour.

12$x 20 in 20 hours.

240 dollars in 20 hours.

Answer:

$ 240

solution,

Hours Dollar

3 $36

20 x( suppose)

In case of Direct proportion,

[tex] \frac{3}{20} = \frac{36}{x} \\ or \: 3 \times x = 36 \times 20(cross \: multiplication) \\ or \: 3x = 720 \\ or \: x = \frac{720}{3} \\ x = 240[/tex]

hope this helps...

Good luck on your assignment..