Maths Problem - The Student Room

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Count the number of squares below 50 beats per min (90).

Then divide 60 by the number of squares (90) to give you the value of one square (0.67rec)

Count the number of squares above 90 beats per min (165).

Multiply the number of squares by the value of one square (0.67rec) to get your answer (110).

OP

My hard copy of this exam is messed up. How are there 90 squares below 50 ?

From 30-40 there are 20 (5x4) little squares and from 40-50 there are 70 little squares (5x14)

OP

Sweet thanks. I completely understand histograms I think! :biggrin:

:biggrin:

****** AQA!!! there like the worst exam board.....and nearly ALL my exams are with them.......... :frown:

:frown:

:s-smilie:

:p:

daruishraz

****** AQA!!! there like the worst exam board.....and nearly ALL my exams are with them.......... :frown:

:frown:

:s-smilie:

:p:

The AQA website doesn't seem to be working today. I can't access it. Arrgh this is so frustrating.

OP

FoOtYdUdE

The AQA website doesn't seem to be working today. I can't access it. Arrgh this is so frustrating.

Oh crap, on the day before maths too.

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