How long should this take?

Hey I have some questions about rs etc.
First off howw long would it take me to finish:
-Missing My mummy
-Ictathrens little helper
-Curse of arrav
-Temple at sennistian
-37-80 dung
-90-99
For str I will be using hati gloves
My Current stats:

-79att
-90str
-77str
-99magic
-61range
-84hp
-41summoning
-93 prayer(getting 95 before training str)