Lucy owns a bakery. in 2004, she sold pies for $9.50 each. in 2008 she sold pies for 17.50 each. if the rate of change is 8, how much pie will she sell in 2012

Jackson earns $25 per hour as a tutor at the college library. he set a weekly spending budget of $130 each week and puts the remaining money in his savings account. how many hours must he work this week to have at least an extra $50 to put in his savings account