Brinn's rectangular kitchen has an area of 81 square feet. the kitchen is 9 times as many square feet as brinn's pantry. if the rectangular pantry is 3 feet wide, what is the length of the pantry?

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