Samantha ordered lunch for her office once in June and once in December. In June, she paid $8.12 for each of the 34 employees and a flat delivery fee for a total of $291.58 before taxes. In December, she paid $9.73 for each of the 34 employees and a flat delivery fee for a total of $339.07 before taxes. The difference in the amount that she paid in delivery fees is $__?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.