Question

if it is - 17°c in canada and 31°c in australia, what is the difference in temperature?

Explanation:

Step1: Identify the formula for difference

Subtract the temperature in Canada from the temperature in Australia.
$31-(-17)$

Step2: Simplify the expression

When subtracting a negative number, it is equivalent to addition. So $31-(-17)=31 + 17$.
$31+17 = 48$

Answer:

$48$