In a computer class, a group of 4 girls shared a computer and printer to print their math projects. The total time to print the project was 1/2 hour. Each girl needed the same amount of time to print her project. What part of an hour did it take each of the 4 girls to print her project?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label