Is the given answer a reasonable solution to the problem? 7.92 • 10.21 = 80.8632 yes, because 8 • 10 = 80, which is close to 80.8632. no, because 80 • 10 = 800, which is too far from 80.8632. yes, because 80 • 10 = 800, which is close to 80.8632. no, because 8 • 10 = 80, which is too far from 80.8632.

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.