Chapter 1.3 Page 33 Question 10

Test: Rational Word Problem Question 2

Question:

Information you will need to answer the question:

You would have to convert 1.5 hours into minutes which is 90 minutes.

You would then divide 90 minutes by 10 minutes because 5.2°C is dropping every 10 minutes,

Solution 1: 

Multiply how much the temperature drops by 9 to find the total of how much it drops all together.

You then subtract your original temperature of 19°C by 46.8 to get your answer of (-27.8).

Solution 2:

This is the grade 9 way.  

Sentence answer:

Always write a sentence answer after a word problem.

Chapter 2.4 Page 80 Question 29

You would replace 't' by 30 and (-20) and solve such as the following:

Then you would find the difference:

Textbook: Page 62: Question 26