Answer:
s = (SA - 1)/ar
Explanation:
from the question SA = ars + 1 we want to make s the subject of the formulae
so from,
SA = ars + 1
SA- 1 = ars
divide both sides by ar
(SA - 1)/ar = ars/ar
(SA - 1)/ar = s
therefore ,
4.6m questions
6.0m answers