Two glasses of milk and 3 snack bars have a total of 54 carbohydrates​ (carbs), and 3 glasses of milk and 2 snack bars have a total of 56 carbs. Determine how many carbs are in one glass of milk and in one snack bar.

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?