SOLUTION: A rectangle has a perimeter 90 units. If the width is 6 more than 2 times the length, find the length
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Question 1205994: A rectangle has a perimeter 90 units. If the width is 6 more than 2 times the length, find the length
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
let the width be and the length
perimeter is
if a rectangle has a perimeter units, we have
.......eq.1
if the width is more than times the length, we have
....eq.2
substitute width in eq.1
.......solve for
the length is units
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