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The Cost Of 16 Pens And 8 Pencils Is Rs.352 And The Cost Of 4 Pens And 4 Pencils Is Rs.96. Find The Cost Of Each Pen ? |
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Answer» Let the COST of each pen and PENCIL be 'p' and 'q' respectively. 16p + 8q = 352 --- (1) 4p + 4q = 96 8p + 8q = 192 --- (2) (1) - (2) => 8p = 160 => p = 20 Let the cost of each pen and pencil be 'p' and 'q' respectively. 16p + 8q = 352 --- (1) 4p + 4q = 96 8p + 8q = 192 --- (2) (1) - (2) => 8p = 160 => p = 20 |
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