Justin is looking to purchase a mountain bike from bikes & more, walmart, or k-mart. each store sells
the bike he likes for $327.00. walmart has the bike on sale for 30% off. bikes & more has the bike on sale for $227.50. k-mart is selling them for 1/3 off the regular price. which store has the best price? what is that price after 6% sales tax?

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?

Nine more than four times a number is the same as one less than twice the number. find the number?