Acar wash machine cleaned 20 cars in 50 minuets at this rate how many minutes will it take the machine to clean 1 car

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

What is the upper quartile in the box plot?

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?