Which of the following numbers is between 0.40 and 0.47? a) 7/50 b) 19/50 c) 21/50 d) 43/50

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