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total cost of 3 books and 10 Pens is rupees 300 and the total cost of two books and three pens is rupees 145 find the cost of one book and three pens |
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Answer» Answer: ONE book cost is Rs 50 one pen cost is Rs 15 Step-by-step explanation: Here 3 books and 10 PENS cost is Rs 300 so, if we TAKE Rs 50 PER book then three books cost is 150 and if we take Rs 15 per pen then cost of ten pens is 150 and 150+150=300 |
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