A bag only conatains red and blue counters the probability that a counter is blue is 0.58. a counter is picked at random what is the probability that it is red

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.