Pete worked 4 hours and charged Millie 170. Rosalee called Pete, he worked 7 hours and charged 230. If Pete's charge is a linear function of the number of hours worked, find the formula for Pete's rate, and how much he would charge for working 8 hour?
1 Answer
May 13, 2018
Formula is
Explanation:
When Pete worked
and when he worked
Hence for extra
As relation between charge and number of hours worked is linear (one can say proportional)
He charged
However, this mean for
Hence it is apparent that he charges
Hence formula is
Therefore for