Adrawbridge rises at a constant rate. it takes 1 1/2 minutes for the drawbridge to rise 6/20 of its total height. how much tike, in minutes, does it take for the drawbridge to reach its total height? a) 1/5b)9/20c)20/9d)5

Option d. 5

Step-by-step explanation:

A drawbridge takes minutes to rise of its total height.

Let the total height of the drawbridge is h units

∵ Drawbridge rises units in the time = minutes

∴ Drawbridge rises 1 unit in the time = minutes

∴ Drawbridge rises h units in the time =

                        =

                        =

                        = 5 minutes

Option d. 5 minutes is the answer.