Answer:
57.65%
Step-by-step explanation:
((y2 - y1) / y1)*100 = your percentage change
(where y1=start value and y2=end value)
((134 - 85) / 85) * 100 = 57.65 %
Let
and
be, respectively, the length and the width of the rectangle.
If the length is 4 inches more than the width, we have

Moreover, the perimeter of a rectangle is given by

And we can substitute
to get

We know that the perimeter is 34 inches:

Which implies

Answer:
326.87
Step-by-step explanation:
Set up an equation that models the problem:
46 * x = 423, where x is the number of lawns he needs to mow.
then x = 423/46 = 9.19
Round up to 10 lawns.