Cindy carefully counted the protozoa in 20 slides. The numbers she counted in the 20 slides were as follows: 132, 128, 136, 130, 142, 151, 111, 123, 135, 145, 127, 129, 148, 149, 150, 118, 139, 142, 150, 149

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