125 > 50 + 4.25*p
subtract 50 from each side
75 =>4.25p
divide by 4.25
p>17.64
He may invite up to 17 people ( if he doesn't have to pay for himself)
He may invite 16 if he has to pay for himself
X=-13/5
Simplify both sides of the equation, isolate the variable, and then you get your answer.
Answer:
$.125
Step-by-step explanation:
60 minutes = 1 hour
60 minutes for $7.50
So, $7.50/60 = $0.125
