Ken’s predicted temperature for April is 7ºC. His prediction for May is 2ºC higher than April. He used the number line to solve the problem, starting at 0, moving right to 7, and then moving 2 units to the left. Explain Ken’s error.

Ken’s error was showing a decrease in temperature by moving 2 units left on the number line. He should have moved 2 units right to represent an increase in temperature of 2°C.

Step-by-step explanation:

hope this helps

expression #3 is not equivalent. the others are.

i get you, what you should do is think of the positive things that would come out of it. it will make yours parents proud and raise your grade. you should always try and if you can't focus tell the teacher.