w(w+5) = 104
w^2 + 5 w - 104 = 0
w = [ -5 +/- sqrt (25 + 416)] /2
w = [ -5 +/- 21 ]/ 2
w = 8 or w = 13
L = 8+5 = 13 then A = 8*13 = 104
w = 13 is too big
so 8 by 13
The length of the top of a table is 5 m greater than the width. The area is 104m^2. Find the dimensions of the table
The width of the table is _____m
The length of the table is ____m
2 answers
w = -13 is the other choice, no good
2 answers