Qualification > Math

IGCSE MATHS Doubts

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Vin:
I CANT FREAKING POST ANYTHING !! wats wrong wid SF freeexampapers they r too slow.. ?? all other websites run normally .. prob with server/bandwidth ?? >:( >:(

Vin:

--- Quote from: Adzel on May 11, 2010, 02:45:07 pm ---I did not understand this part... :-\

--- End quote ---

If u see OA is actually 3 times p tht is
OA =OP + PQ + QA
OA = 5+5+5
=15

n same for AB

AB= AR+RS+SB
= 5+5+5
=15

..

Fastal:

--- Quote from: Adzel on May 11, 2010, 02:42:15 pm ---I did the same thing but the mark shcheme said its wrong...???
--- End quote ---

can you post the marking scheme, i cant find it

haris94:
17 (a) In 2007, a tourist changed 4000 Chinese Yuan into pounds (£) when the exchange rate was
£1 = 15.2978 Chinese Yuan.

Calculate the amount he received, giving your answer correct to 2 decimal places.

(b) In 2006, the exchange rate was £1 = 15.9128 Chinese Yuan.
Calculate the percentage decrease in the number of Chinese Yuan for each £1 from
2006 to 2007.

someone tell me how to do "b" part and please explain
Thanks

astarmathsandphysics:
should be no probs. I will contactsupport - we have 1 MBPS more bandwdth form this morning - 3MBPS in total at the moment

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