q 9 cambs co BPP EXAN KIT

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November 21, 2012 at 3:48 pm #55586
alryami2009
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how can I arrive to the month number of uinits produced and sold from 21-30 month inwards and other range I couldnt understand
November 21, 2012 at 7:18 pm #108290
John Moffat
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The number of units each month is given in the question.
Months 21 to 30 the sales are 850 per month. From 21 to 30 is 10 months, so the total sales are 10 x 850 = 8500.
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