Inverse Proportion

Mr Jones asked us to answer this:

It takes 6 men 10 days to build a wall

How long would it take 5 men?

What we did was made a table that looked like this

                                            Men                 Days

                                              6                      10

  He told us to find out              1                      60

what 1 man was and how         5                      12

many days it would take them

so we did.        

We worked this out by doing

6 X 10 = 60.

then because we knew what one man was we could work out what 5 men would be and we did this by doing

60/5 = 12   

He told us a quote

“Double one, half the other”  

Here is one that you can try

TWO PEOPLE take 6 HOURS each to deliver a batch of leaflets.

Working at the same rate, how long would it take THREE PEOPLE?

Member find one person and then its easier!. 

The next person i chose to do the scribepost is Becky


4 Responses to “Inverse Proportion”

  1. 1 abdul

    wow u guys learn different things then we do but if I ever had a math question about loans i will turn to ur blog. Great work keep it up

  2. 2 angelic

    nice scribe post, it really helped me too understand INVERSE PROPORTION =)

  3. 3 ardia

    nice job on the post =) the way you described things pretty good .. anyways .. just a pointer if you wanted people to pay more attention to your post put more color into it or pictures .. okay anyways .. nice job agian .. you can visit my class’ blog at http://841math.blogspot.com/

  4. 4 mary

    now at least i know what INVERSE PROPORTION is. but to make your post a little bit better u should put some colour into it and add some pictures too! =) its good to know that if i have trouble with loans i can visit your blog.

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