Question

Sebastian earns 36$ in 3 hours. At this rate, how many dollars will he earn in 20 hours?

Answer 1

$ 240

solution,

Hours Dollar

3 $36

20 x( suppose)

In case of Direct proportion,

`(3)/(20) = (36)/(x) \\ or \: 3 * x = 36 * 20(cross \: multiplication) \\ or \: 3x = 720 \\ or \: x = (720)/(3) \\ x = 240`

hope this helps...

Good luck on your assignment..

Answer 2

36$ in 3 hours, so 12$ in 1 hour.

12$x 20 in 20 hours.

240 dollars in 20 hours.