P(x) = amount made - cost
p(x) = 20x-7x-10
p(x) = 13x -10
Answer:
Step-by-step explanation:
The population is the first twenty people coming into the store.
the sample space is walmart.
A) 7-2=5
b) 2(7)+3(2)=14+6=20
c) 2(7)(2)=28
d) (7-2)=5
Oh could use !multiples of 5 for all of those