Maths/jelly Help Please

[sherrardk]

How many packets of Jelly will I need to buy to fill (with a bit of a gap) 31 x 200ml cups? The jelly makes 1 pint (0.568 litres). I have worked it out to 12 1/2 packets but that sounds like an awful lot. Thanks.

[sandyRoe]

2 would make a little more than a litre. That would fill 5 cups. 12 jellies would fill 30 cups.

[Buenchico]

31 x 0.2 litres = 6.2 litres

6.2 litres divided by 0.568 litres = 10.9 packets.

So you need 11 packets.

[sandyRoe]

If Buenchico is correct, and he probably is, you can keep the 12th one I mentioned for yourself. :-)

[Buenchico]

PS, Sherrardk, I thought about you when I read this earlier today:
http://www.bbc.co.uk/news/uk-england-bristol-21629210
(iPads and young kids just don't mix!)

[EcclesCake]

Sherrard, I'm guessing this is for a children's party? 200ml of jelly for each child is a LOT of jelly.

You might want to cut back a bit otherwise there is likely to be a lot of wastage.

[Buenchico]

>>>200ml of jelly for each child is a LOT of jelly

Hmmm, good point.. These are 200ml cups
http://www.downtownshoppingnetwork.co.uk/Images/S23201.JPG
I reckon that you get away with filling them two thirds full (without seeming stingy!), so that would be about 8 packets of jelly.

[Buenchico]

12½ . . .11 . . . 8 . . .
This is sounding like a Dutch auction!
Lower, anyone?

[sherrardk]

Right, I will go with 8 packets (don't expect any of them are going to eat it anyway but jelly has been requested by thing 2).

Buenchico - one of mine out one app at £69.99 (and it wasn't even any good). Got the 12 year to show me how to block them from buying/installing stuff.

[andres]

If you know that one jelly makes one pint can you not fill a jug with pint of water and see how many cups it fills.Then work it out from there ?