Homework Help: Grade 11 Math

Posted by Bob on Wednesday, April 18, 2012 at 9:17pm.

jackie mows a stip of uniform width around her 25m by 15m rectangular lawn and leaves a patch of lawn that is 60% of the original area. What is the width of the strip?

Grade 11 Math - bobpursley, Wednesday, April 18, 2012 at 9:21pm
2(15+2w)w+ 25*2w=.60(15*25)

check that
Grade 11 Math - Bob, Wednesday, April 18, 2012 at 9:31pm
Thanks that seems to have worked the back of my text book says it is 2.1 but i got 2.5 close enough.
Grade 11 Math - Siaga pfunzo, Monday, April 23, 2012 at 2:06pm
2x+2=0

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