hugomimihu

5 people are in the middle.

Thus 20-5 only went skating, 9-5 only went skiing.

30 -5 - 15- 4 = 6

Thus 6 people did neither.

If you don't understand anything feel free to ask!

alright great!

yeah, that's the other way as I wrote for "horizontally"

Do you need any clarification/ further explantion?

Also, many times, you don't have a grid, so learning to solve algebraicly is better than counting.

A composite figure is broken up into smaller pieces that are easy to solve.

There are two ways to break up into rectangles. 

Either vertically or horizonatally(for this one)

If we do vertical, we have 2 rectangles that are size of 3*5 and 2*4.

3*5 + 2*4 = 15 + 8 = 23.

If we split it the other way, 

3*3 and 2*7.

9 + 14 = 23.

hi, I've seen you on the site alot, make an account!

That way you can gain points, and not have the Guest limit!

It's free!

hey hey don't copy my question!

That's 70% the same as mine!
 

*grumpy face*

Not actually.

I joined february so...

It makes me happy if the asker asks with a follow up to clarify, or give me a thank you.

To  be fair the site has always been 99.5% homework, 0.5% other/

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Say g is the total.

He gave 54 away, g-54, has 23 left.

B).

It probably doesn't happen in windows since there you could choose which types.

In MacOS you have no way of doing so.

Sadly.

It's "hallo"

According to my science teacher and translator.