At santa maria high school the juniors an
are selling raffle tickets. so far, the juniors
solved 580 tickets and are averaging 29 tickets
day. the seniors have sold 490 tickets but vow to
win the contest by selling an average of 35 tickets
per day. if both grades continue collecting at these
rates, after how many days will the number of
tickets sold be equal?

Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?