Less. Although "15" may be more than 5, the negative sign means that the "15" is actually less than 0. Since 5 is greater than 0 and -15 is less, -15 is less than 5.
5C is colder than 15C.
Less than. -15 is 20 less than 5.
10 less than 15 = 15 - 10 = 5
No 15 C = 32 + 15 x 9/5 F = 32 + 27 = 59 F less than 60 F
It is: 15-5 = 10
A 5 degree Fahrenheit increase is less than a 5 degree Celsius increase
5 °C - 10 °C = -5 °C (i.e. 5 degrees Celsius below 0 °C or 5 °C below freezing)
-15 degrees Celsius = 5 degrees Fahrenheit
5° F
15
colder