When Millie called Pete's Plumbing, Pete worked 3 hours and charged Millie $155. When Rosalee called Pete, he worked 66 hours and charged 230. If Pete's charge is a linear function of the number of hours worked, find the formula for Pet?
1 Answer
Dec 8, 2017
where h is Pete's charge per hour and b is his fixed charge irrespective of the hours and x is time in hours.
Explanation:
∴
multiply both side by 66
Now write the linear function