There will be a total of 76 people attending your birthday party. You can afford to rent 10 tables, round and/or rectangle where each cost the same. Each round table can seat 6 people and each rectangular table can seat 10 people. How many round and rectangular tables should you rent?

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?