I need someone to help me get the answer to part b. http://prntscr.com/cl46ix

Question

ebayminer126 · Answer

@phi Not to hard of a question +Medal

phi · Answer

you have to learn how to multiply and divided negative or positive numbers
if you have *one* minus sign, the answer will be negative
if you have *two* minus signs, the answer is positive.

when you do
-20 / 4
how many minus signs do you have ?

ebayminer126 · Answer

One?

phi · Answer

yes, only 1 minus sign
so what should the answer be ?  + or - ?

ebayminer126 · Answer

It will be a negative number

phi · Answer

and your answer only shows 5
so you should fix that

ebayminer126 · Answer

Thanks now part B :D

phi · Answer

the -5 should go in part B

ebayminer126 · Answer

Okay so..?

phi · Answer

you should add a sentence saying what the -5 means.
what do you think it means ?

ebayminer126 · Answer

The reason there is a -5 because a negative divided by a positive = a negative number

ebayminer126 · Answer

@phi

phi · Answer

read the question.  the answer is the answer to that question. 
can you write down something?  give it a try.

ebayminer126 · Answer

Part B: -5 means that the temperature changes -5 degrees every week for 4 weeks.

phi · Answer

exactly