Mathematics, 05.09.2021 23:30 biglue19
Chen buys 4 notebooks and 3 pens for $17.50 . Liu buys 2 notebooks and 5 pens for $14.
Form a pair of simultaneous equations and solve them to find the cost of a notebook and the cost of a pen.
Show your working.
Answers: 1
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Chen buys 4 notebooks and 3 pens for $17.50 . Liu buys 2 notebooks and 5 pens for $14.
Form a pair...
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