Posted by Jennifer on Sunday, April 1, 2012 at 5:55pm.
The outside dimensions of a piece of framework is 24 inches by 20 inches. The area of the picture is 320 square inches. Find the width of the frame itself

math 102  Steve, Sunday, April 1, 2012 at 7:30pm
if the dimensions of the artwork are x and y, and the frame width is w,
x+2w = 24
y+2w = 20
xy = 320
(242w)(202w) = 320
(12w)(10w) = 80
120  22w + w^2 = 80
w^2  22w + 40 = 0
(w2)(w20) = 0
w = 2 or 20
I leave you to make the proper choice
Answer This Question
Related Questions
 Math  Hello there! Could You please help me with this Geometry word problem? ...
 Math  Hello there! Could You please help me with this Geometry word problem? ...
 Math  Sally painted a picture that has an area of 480 square inches. The length...
 Algebra 0110 College  1) A rectangle has perimeter 38 feet and an area of 78 ...
 Math  You are using glass tiles to make a picture frame for a square photograph...
 Algebra Homework, HELP!  1) A rectangle has an area of 297 square inches and a...
 Trig  Please EXPLAIN the steps on how to solve these problems. Please provide ...
 algebra 1  A picture that measures 7 inches by 7 inches is being framed. The ...
 Math  You are building a frame for a photograph that is 8 inches by 11 inches. ...
 algebra  A rectangular picture is 2 inches longer than it is wide. When a frame...
More Related Questions