15 and 24, respectively.
500 Sheets in a Ream (of paper)
500 Sheets of Paper in a Ream
what does it mean when it says 500 S in a R
Since r varies directly with s, we have r = ks (replace k with 5 and s with 7) r = (5)(7) r = 35
500 squares of paper in a roll?
500 Sheets in a Ream
500 Sheets of Paper in a Ream
Square root of s, or negative square root of s.
500 Sheets in a Ream of Paper
Surface Area = pi*r*s + pi*r*r = 3.14*2*9 + 3.14*2*2
Congratulations! You already have. h = S+r