Melody

thanks anon,

this is just another way that you could do it :)

5/100  *  x = 133

1/20     * x = 133

x= 133*20 

x= 2660

$${\frac{{\mathtt{1}}}{{\mathtt{5\,000\,000\,000}}}}{\mathtt{\,\times\,}}{\mathtt{100}} = {\mathtt{0.000\: \!000\: \!02}}$$   

0.00000002% 

or    2*10^-8 %

Thanks Alan, they are not exactly hand held calcs :))

thanks Alan :)

You know, if I wanted to know how many calories there are in a marshmellow, I'd probably just google it :/

Mmm, how boring would that be  :)))

Yes it is but I am not sure how.  What exact question would it be used for?

I'd like to know too :/

Welcome to the forum Michael 

one child fill a notebook every week

so 24 children will fill 24 notebooks in 1 week

so 24 children will fill 24*12 = 288 notebooks in 12 weeks  

Thanks Alan,

These are always great puzzle questions 

Alan,  I am wondering,

Is  there a relatively easy way to do this on a normal hand held calc?

OR the web2 calc.

I mean without doing each bit seperately?

Yes Alan I agree that is the most likely meaning. :)