John was born in january. on the first july 4th of his life, his aunt gives him $50 to save for his college education. on every subsequent july 4th, she gives him $25 dollars more than the previous year. what will john's aunt give him on his 18th july 4th?

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?