Choose all that state the correct unit rate for each situation. 100 points asap k12

ryan earns $45 for 5 hours of work. the unit rate is $9 for 1 hour.
jenna can drive her car 110 miles on 5 gallons of gasoline. the unit rate is 22 miles per gallon.
the admission to a water park is $72 for 4 people. the unit rate is $17 for each person. right
ella is making cookies. for every 2 cups of sugar, she uses 5 cups of flour. the unit rate is 2/5 cup of flour per 1 cup of sugar
claire saves $320 in 16 weeks. the unit rate is $20 per week.

Please see the answer below:

Step-by-step explanation:

Ryan earns $45 for 5 hours of work. The unit rate is $9 for 1 hour.

Jenna can drive her car 110 miles on 5 gallons of gasoline. The unit rate is 22 miles per gallon.

Claire saves $320 in 16 weeks. The unit rate is $20 per week.

% increase in price of gas = [(New Price - Original Price) / Original Price] x 100

% increase in price of gas = [($2.48 - $2.18) / $2.18] x 100

% increase in price of gas = [$0.3 / $2.18] x 100

% increase in price of gas = 13.76%

it should be a and d. lmk if i'm wrong xd