in july the record high temperature in milwaukee was 101 degrees Fahrenheit. in January. the record low was -23 degrees Fahrenheit. what is the difference in degrees Fahrenheit between the record in july and the record in January
The difference between the record in July and January would be 124 degrees Fahrenheit. Because the lowest was -23 you need to subtract -23 from 101. The expression would be 101-(-23) and a double negative would be positive. So they would be added.
