The student studies the same amount of time each day for a test. in 4 days, she studied a total of 60 minutes. write an equation which shows this relationship? let x = the number of days

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