How do i rearrange this fomula so N is the answer, i knw the answer is 11, but i'am struggling to rearrange the formula, and advise?
D = (I-S)/ N
(3995-145) / ? = 350
Multiply Both sides by :
Divide Both sides by :
From here, you are able to substitute your numbers. It's best to re-arrange your formula first before inserting the numbers as if the numbers are decimals or fractions, it can make the re-arrangement more complicated.