• We know that
,
• Jenny makes $333.75 for 25 hours of work.
,
• Christina makes $505.75 for 35 hours of work.
To know how much they make per hour, we just need to divide each given relation.
Jenny's earnings per hour:

Therefore, Jenny earns $13.35 per hour.
Christina's earnings per hour:

Therefore, Christina earns $14.45 per hour.
This means Christina earns more money per hour than Jenny.