Fred buys a binder for $4.50 and six reams of paper. latasha buys an ink cartridge for $17.50 and four reams of paper. both spend the same amount of money. what is the price of one ream of paper?

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?