how many str levels below range for 60 att hybriding?

[Got A Big Un]

im making a 60 attack pure and im planning to get 82 range and mage and i was wondering how many levels below range my str should be with 60 attack?

[Got A Big Un]

bumped

[No Pain]

60 att is fine anytime. im getting it at 75 str 80 range

[xH3LLGARx]

^^

[Steroids]

A good ranged based hybrid acc would b something like - 94 range/mage with 85 str 60 atk, 45 pray.