i buy 8 kg of cooking apples at 10p per and 2, Average and Mixtures, Mathematics (O-Level)

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Question:I buy 8 kg of cooking apples at 10p per kg and 2 kg of eating apples at 15p per kg. Find the average cost of 1 kg of apples.

Answer 8 kg at 10p per kg cost 80 new pence
2 kg at 15p per kg cost 30 new pence
Total cost of 10 kg is  110 new pence
The average cost per kg is `110/10` = 11p.

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I buy 8 kg of cooking apples at 10p per kg and 2 kg of eating apples at 15p per kg. Find the average cost of 1 kg of apples.

Question:I buy 8 kg of cooking apples at 10p per kg and 2 kg of eating apples at 15p per kg. Find the average cost of 1 kg of apples.

Answer 8 kg at 10p per kg cost 80 new pence 2 kg at 15p per kg cost 30 new pence Total cost of 10 kg is 110 new pence The average cost per kg is `110/10` = 11p.