Mathematics, 12.07.2021 02:20 logan541972
The length of a rectangle is 7cm less than 3 times it's width. It's area is 20 square cm. Find the dimensions of the rectangle
Answers: 2
and width 
is given by 
. Since the length of the rectangle is 7 less than 3 times its width, we can write the length as 
. Therefore, substitute 
into 
is extraneous (our dimensions cannot be negative), our answer is 
. Thus, the length must be 
and the dimension of the rectangle are 4 cm by 5 cm (4 x 5).
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The length of a rectangle is 7cm less than 3 times it's width. It's area is 20 square cm. Find the d...
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