Deborah O.

asked • 05/04/20

A trader bought 200 ball-point pens at #28 each and 10 gold pens at #4900 each. Find the mean cost per pen.

1 Expert Answer

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Helan P. answered • 05/04/20

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Mean = Total or ∑ƒx

number ∑ƒ

= (200*28) + (4900*10) = 5600+ 49000 = 54600 = 11.08 per pen

28+4900 4928 4928


*if there is no mistake in the question, then this answer is correct = 11.08 per pen.

please rate if you like the answer


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Deborah O.

Thanks so much really helped me a lot
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05/04/20

Helan P.

Your welcome
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05/04/20

Veedahh E.

Thank you
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06/19/20

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