Your parents have budgeted $550 for you to take music lessons on the piano for $25 per lessons and on the saxophonefor $20 what is the possible number of piano lessons and saxophone lessons you can take?

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )