Ariel spends $330 on 3 gold rings. The rings all cost the same amount. What is the cost of each ring?

What is 140% of 25? because i need

If a is a nonzero real number then the reciprocal of a is

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.