The population of bacteria in an experiment has been increasing by 70%
each day. If there were 100 bacteria at
the beginning of the experiment, predict
the number of bacteria in 3 days.

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.