Alison

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the dude abides
07/02/2013 at 12:26

alison is making ice cream. the first batch of 2.5 litres filled two small tubs and two large tubs exactly. the second batch filled three large tubs and four small tubs with 4.3 litres. if the sizes are consistent, how much more ice cream would alison have to make to fill her whole stock of 12 large and 8 small tubs?

cougie    pirate
07/02/2013 at 12:37
12.8 litres should be the big batch size.
Edited: 07/02/2013 at 12:45
Screamapillar
07/02/2013 at 12:46

Don't care. I'm far more interested in what flavour the ice cream is  

Cheerful Dave    pirate
07/02/2013 at 13:15

If it's B&J baked alaska the big batch size would need to be 25.6 litres, coz I'd eat half of it before it got into the tubs.

Weekender
07/02/2013 at 13:23

4.75 litres?

literatin
07/02/2013 at 13:24

Is it 6?

popsider
07/02/2013 at 13:31

Yes 6

Dustin
07/02/2013 at 13:32

+1 for 12.8

popsider
07/02/2013 at 13:34

6 more but 12.8 in total

Dustin
07/02/2013 at 13:34

agreed

Dustin
07/02/2013 at 13:35

'read the question properly' as my o level maths teacher used to say

literatin
07/02/2013 at 13:35

yes, but the question was 'how much MORE'. Assuming she hasn't scoffed it all, 6.8l worth of tubs are already filled.

literatin
07/02/2013 at 13:36

x-post. We're all total swots.

Barkles
07/02/2013 at 13:36

Is this Alison married?

cougie    pirate
07/02/2013 at 13:52
If Alison has so much ice cream - why isn't she sharing ? I'd love an icecream.
Tom77
07/02/2013 at 13:57

Small tub size S, large tub size L

2S + 2L = 2.5

4S + 3L = 4.3

Rewrite the first equation as

2L = 2.5 - 2S

L = 1.25 - S

Plug L into the 2nd equation

4S + 3 (1.25 -S) = 4.3

4S + 3.75 - 3S = 4.3

S = 4.3 - 3.75 = 0.55

Stick S into the first equation

2 * 0.55 + 2L = 2.5

2L = 2.5 - 1.1 = 1.4

L = 0.7

literatin
07/02/2013 at 14:01

Alison must have a massive freezer.

the dude abides
07/02/2013 at 14:03

the answer is..........6

well done literatin and all others who answered correctly ...you win dinner and a movie with seb coe.

thanks for playing

Barkles
07/02/2013 at 14:03

and a big spoon

The Ally of Not Enough Hills
07/02/2013 at 14:25

I too got  6 more (12.8 less the current 6.8 she made earlier and is now a watery mess.)

Any other GCSE questions we can answer?  Shall we talk you through the water cycle next?  Need to know anything about The Blitz?

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