<PRE><B>Question 1166865</B>
&lt;br&gt;
The solution using formal algebra is good practice in the use of algebra for a beginning student.&lt;br&gt;
If a formal algebraic solution is not required, the work required to get an answer is MUCH less if you solve the problem by trial and error.&lt;br&gt;
Look at pairs of numbers whose product is 84 and find the one which satisfies the condition that one of the numbers is 5 more than 4 times the other.&lt;br&gt;
84*1  no...
42*2  no...
28*3  no...
21*4  YES&lt;br&gt;
ANSWER: the rectangle is 21x4 inches&lt;br&gt;
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