Shau-uen solved the equation 18.5 w + 6.5 w minus 2.8 w = 149.1. Her work is shown below. Step 1 18.5 w + 6.5 w minus 2.8 w = 149.10
Step 2 25 w minus 2.8 w = 149.1
Step 3 Negative 2.8 w = 5.964
Step 4 w = negative 2.13

In which step did Shau-uen make her first error?
Step 1
Step 2
Step 3
Step 4

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.

Tom drove 206 miles in 3.9 hours. estimate his average speed.

If a and b represent positive real numbers what is the inequality when solves for v