The lacrosse team is hosting a dance as a fundraiser. They sold 38 more individual tickets than couples’tickets and earned a total of $730. Individual tickets cost $3 and couples’ tickets cost $5. Write and solve a system of equations to represent this situation.

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?