SOLUTION: If the length of a rectangle is increased by 10% and the width is decreased by 15%, how is the area affected (what is the percent increase or decrease)?
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Question 909023: If the length of a rectangle is increased by 10% and the width is decreased by 15%, how is the area affected (what is the percent increase or decrease)?
Found 2 solutions by Alan3354, ewatrrr:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
New area = area*1.1*0.85 = area*0.935
--> 6.5% decrease
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Lw vs
(1.10L)(.85w) = .935Lw
Lw - .935Lw = .065 (decreased by .065 or 6.5%)
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