Hormonal regulation of glycogen metabolism in muscle a. involves phosphorylation and dephosphorylation of gm. b. is primarily through the actions of insulin and glucagon. c. results in stimulation of glycogen synthesis when blood glucose levels are low. d. does not involve the actions of camp.

Hello!

Use the equation d = s · t where:

s = speed

t = time

d = distance

Plug in the given distance and speed:

20 = 12 ·t

Divide both side by 12 to isolate for t:

20/12 = t

Simplify:

5 / 3 = t

Therefore, it took 5/3 hours to bike. We can convert this to minutes if necessary:

5/3 · 60 min (in one hour) = (60 · 5) / 3 = 100 min.