Memr carter and ms torres need two buses to drive there classes to the amusement park each class needs money to rent a bus and $20 to tip the driver the two classes together raised $240 how much money can they spend on each bus rental
a, 2b+20=240
b. b+20=240
c.2b-40=240
d.2(b+20)=240

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

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.

How can constraints be used to model a real-world situation?