Question

The high temperate for the day dropped 7 degrees Fahrenheit between Monday and Tuesday,rose 9 degrees Fahrenheit on Wednesday, dropped 2 degrees Fahrenheit on thursday,and dropped 5 degrees Fahrenheit on Friday. What was the total change in the daily high tempeture from Monday to Friday

Answer 1

 dropped 7 degrees  means   "-7"
rose 9 degrees     means      "+9"
dropped 2 degrees  means "-2"
 dropped 5 degrees means "-5"

-7+9-2-5=-14+9= - 5
Answer is -5.