A 16 1/2 kilometer stretch of road needs repairs. Workers can repair 4 1/2 kilometer of road per week. How many weeks will it take to repair this stretch of road?

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?