Mathematics, 10.03.2021 23:20 blevinssam4783

pens and pencils are sold in a shop. 12 pencils cost £1.80. the ratio of the cost of a pen to the cost of a pencil is 7: 3. workout the cost of 5 pens.

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pens and pencils are sold in a shop. 12 pencils cost £1.80. the ratio of the cost of a pen to the co...

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