SOLUTION: the length of the top of a table is 3m greater than the width. The area is 70m^2. find the dimensions of the table. the width and length.

Question 922111: the length of the top of a table is 3m greater than the width. The area is 70m^2. find the dimensions of the table. the width and length.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

     .

A = Lw

(w+3)w = 70m^2

w^2 + 3w - 70 = 0  (tossing out negative solution for unit measure)

(w +10)(w-7)= 0

w = 7m  and L = 10m 

And... checking

A = 70m^2 

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