Question

the cost of a pencils is 25 p more than the cost of a eraser if cost of a 8 pencils and 10 erasers is rs12.80 find the cost of each
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Answer 1

$\begin{array}{1 1} eraser= 60\;cents; pencil =85\; cents \\ eraser= 85 \;cents ; Pencil =60\; cents \\ eraser= \$ 85;Pencil =\$ 60 \\ None \;of\;these \end{array} $