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nikklg [1K]
2 years ago
5

Sanjeet paid $32.85 for a file and 3 identical pens.Leon paid $83.50 for 2 such files and 8 such pens.Find the cost of 1 pen.

Mathematics
1 answer:
olga2289 [7]2 years ago
5 0
1 file + 3 pens = $32.85     --------------- (1)
2 files + 8 pens = $83.50   ----------------(2)

(1) x 2 :
2 files + 6 pens = $65.70   ----------------(1a)

(2) - (1a) :
2 pens = $17.80
1 pen = $8.90

 -------------------------------------------------------------------------------
Answer: One pen costs $8.90.
 -------------------------------------------------------------------------------

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