Hi, If someone help me on rate problem please I would greatly Appropriate it. I just want to ensure I have done them correctly. Thanks
Jack made his first x dollars at an average rate of 50 dollars per hour and the remaining amount at an average rate of 60 dollars per hour. How long did it take Jack to make the first x dollars if he worked for a total of 10 hours averaging 53 dollars per hour?
A) 4.5
B) 6
C) 7
D) 9
E) 9.25
Jack made his first x dollars at an average rate of 50 dollars per hour and the remaining amount at an average rate of 60 dollars per hour. How long did it take Jack to make the first x dollars if he worked for a total of 10 hours averaging 53 dollars per hour?
A) 4.5
B) 6
C) 7
D) 9
E) 9.25
