Mathematics, 04.06.2020 16:57, kendall984

Tam buying stationary. I buy 3 pens and 4 pencils costing 83p and Caroline buys 2 pens and 7 pencils costing 90p.
How much is one pen?

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Tam buying stationary. I buy 3 pens and 4 pencils costing 83p and Caroline buys 2 pens and 7 pencil...