Johnny's Gym chrges a membership fee of $150 and a monthly fee of $20. Joey's Gym charges a membership fee of $100 and a monthly fee of $30. After how many months will the gym cost be the same? What will the cost be ? ** Write an equation and solve **

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?