In planning her retirement, Liza deposits some money at 3% interest, with twice as much deposited at 5% Find the amount deposited at each rate if the total annual interest Income is $1560.

She deposited $__ at 3% and $__ at 5%

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?