Question 79385
P=-x/2+75 [plug-in each value of x and solve:
.
P=-(2)/2+75 [let x=2]
P=74
.
P=-(7)/2+75 [let x=7]
P=71.5
.
P=-(9)/2+75 [let x=9]
P=70.5
.
P=-(11)/2+75 [let x=11]
P=69.6