A person draws a card from a hat. Each card is one color, with the following probabilities of being drawn: 1/10 for pink, 1/20 for purple, 1/25 for blue, and 1/15 for green. What is the probability of pulling a blue or pink card, written as a reduced fraction?

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