Sara works 40 hours per week and earns $660. which graph shows the unit rate for this situation? a) a b) b c) c d) d

The fourth graph shows the earning per hour for this equation as working 40 hours and making $660 means she's making $16.5 an hour

Well if you have 20 bats you probably want 20 balls? you don’t have enough context to answer the question.