SOLUTION: A poster is 24 cm taller than it is wide. If it is mounted on a piece of cardboard so that there is a 6cm boarder on all sides and if the area of the boarder is 720cmsquared What a

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Question 1000131: A poster is 24 cm taller than it is wide. If it is mounted on a piece of cardboard so that there is a 6cm boarder on all sides and if the area of the boarder is 720cmsquared What are the dimensions of the poster
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
Disgarded previously posted solution, and replacing with this one:

t for how tall the poster, w for how wide the poster
x for uniform width of the border;
t=w+24
x=6
-
Total area is
Border Area is
STEPS









Substitute for the assigned x=6

Evaluate w,

------width of poster


-------how tall the poster

Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

A poster is 24 cm taller than it is wide. If it is mounted on a piece of cardboard so that there is a 6cm boarder on all sides and if the area of the boarder is 720cmsquared What are the dimensions of the poster
Dimensions of poster:  

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