Answer:8%
Step-by-step explanation:
8% of her income because I did
280
-----
3500
=
X
------
100 ( Sorry if I'm wrong <3 )
p would be the number of parking meters that dont accpet nickels and the p^ would be the number of parking meters that accpet nickels
A graphing calculator is a great help for problems of this nature.
x ∈ {-5.63, -0.55, 2.59}