Eduardo and Sarawong are selling wrapping paper for a school fundraiser.

Eduardo sold 5 rolls of plain wrapping paper and 5 rolls of holiday wrapping paper for a total of $185.

Sarawong sold 14 rolls of plain wrapping paper and 5 rolls of holiday wrapping paper for a total of $338.

Find the cost per roll of plain wrapping paper and cost per roll of holiday wrapping paper.

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music. they were asked how they like three types of music: rock, country western and jazz. the results are summarized below: no one dislikes all three types of music. six like all three types of music. eleven don’t like country western. sixteen like jazz. three like country western and jazz, but not rock. six don’t like rock. eight like rock and country western. seven don’t like jazz. how many students were surveyed?