In the sentence: "We would like to work in the soup kitchen <u>more frequently</u> next year", the degree of comparison of the underlined adverb is B. Comparative.
In English grammar, an adjective or adverb can be in a particular form that implicates a comparative relation. This relation can be of more or less, or greater or lesser.
Comparatives are characterized by the suffix -er ("This house is bigger than the other one") or distinguished by the word more or less ("This job is more difficult than the other one").
Inspiration- finding it
What you want this choreographed dance to look like
Making a vocabulary for the dance
Use your full dancing space
So, I hope you know this is a math question, not english?
And to answer your question, she sold 11 and 1/3 gallons on Monday. Add up your prices on Sunday and Saturday and subtract them by how many she sold less on Monday. I think this is how you do it, hope it helps.