Mathematics, 21.06.2021 01:10, keely8468

7 pens and 2 pencils cost £22 3 pens and 4 pencils cost £11
find the cost of a pen:
find the cost of a pencil:

Answers: 1

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7 pens and 2 pencils cost £22 3 pens and 4 pencils cost £11
find the cost of a pen:
find...