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IGCSE/GCSE/O & A Level/IB/University Student Forum
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small math doubt
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Topic: small math doubt (Read 2238 times)
°o.O-hash94-O.o°
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kNoW YoUr eNeMy!
small math doubt
«
on:
March 29, 2010, 09:46:03 am »
hi,
doing the question 1 of paper 4 maths o/n 09!
and i am stuck on (d) part the answer in mark scheme is 1.92
and i am getting 1.8!
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astarmathsandphysics
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Free the exam papers!
Re: small math doubt
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Reply #1 on:
March 29, 2010, 10:26:43 am »
When I get home
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Amr Fouad
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Re: small math doubt
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Reply #2 on:
March 29, 2010, 11:28:43 am »
Best way to do this is to do it through cross multiplication:
Previous Week : Now
x : $2.4
100% : 125%
therefore, x equals: (2.4x100)/125= $1.92
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small math doubt