Posted by Hollie on Tuesday, September 27, 2011 at 1:39pm.
There are 52 blades of grass in 2 square inches of lawn. there are 580 blades of grass in 8 square inches of the same lawn. what equation models the y blades of grass found in x square inches of lawn?

Algebra2  Steve, Tuesday, September 27, 2011 at 3:20pm
Assume that y = kA + c, if the grass grows at a uniform density.
52 = 2k + c
580 = 8k + c
so, 528 = 6k
k = 88
So, we have y = 88A + c
52 = 176 + c
c = 124
y = 88A  124
Answer This Question
Related Questions
 Statistical  A botany student counted 11 blades of grass in one square ...
 Stats  Help!!!1  A botany student counted 11 blades of grass in one square ...
 Statistics  A botany student counted 11 blades of grass in one square ...
 algebra 2  there are 55 blades of grass in 1 in.2 of the lawn. there are 230 ...
 math  mr. callaway needs to purchase enough grass seed to cover a 3000 square ...
 math  The lawn is rectangular shaped with a length of 10 yards and a width of ...
 5th grade (math)  The grass in Jenna's lawn has not grown in too well. She ...
 Science  How many Blades of grass would be eaten by a rabbit one fox? How long ...
 math  A 25lb bag of grass seed will cover 1200 square feet. If tour lawn is in...
 complex fractions and unit rate  A lawn company advertises that they can spread...
More Related Questions