Asked by Lola

The width of a rectangle is fixed at 7cm. Determine (in terms of an inequality) those lenghts for which the area will be less than 161cm squared.

The length must be less than ? cm.
(simplify your answer)

The solution is {L l L < ? cm.}
(simplify your answer)
Answered by Lola
can someone please help guide me on this problem? thank you in advance
Answered by MathMate
Calculate L for which L*W=161, and then construct the inequality or the set desired.
Answered by Lola
I got 7 x 23 = 161
so for the first answer
The length must be less than ? cm
what do I put there??

Answered by MathMate
"The solution set is {L | L < 23 cm.} "
Would that do?
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