Carline babysat for two familys the Nelsons and the Smiths ]. Use the information below to compare her earnings Nelsons:a=6.25h, where a represents the amount she earned and h represents the number of hours she babysat.
Smiths:$39 for 6 hours
which statement is true
A Carline earns more money per hour from the Nelsons
B Carlione earns more money per hour from the Smiths
C Carlione earns $6.50 an hour babysitting the Nelsons
D Carione earns $6.25 an hour babysitting from the Smiths
Please help me