Question

The freezing point of helium is -468 degrees Fahrenheit. If you increase that temperature by 569.7 degrees Fahrenheit, you reach the freezing point of phosphorus. What is the freezing point of phosphorus?

Answer 1

Answer: || 111.7 ||

Explanation:

Adding Numbers with the SAME Sign - Add and keep the sign.

Adding Numbers with DIFFERENT Signs - Subtract and use the sign of the number with the bigger absolute value.

-468 + 569.7 Since -468 is a negative number and 569.7 is a positive number, their different signs. If you are adding different signs, switch to subtracting them. Once you subtract, take the bigger number which is 569.7 and use its sign, positive.

Answer 2

The answer you are looking for is 101.7.