Problema Solution
A 12 cm by 16 cm picture is mounted with border of uniform width on a rectangular frame.If the total area of border is 288 cm2,what is the length of the side of the frame?
Answer provided by our tutors
Let 'x' represent the uniform border, then:
(12+x)(16+x)=288
x=3.088
So the uniform border would be approximately 3.1 cm.