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15 books cost 345. What will 50 such books cost?1. If the cost of 35 metres of cloth is 701.05, what is the cost of 18 metres of cloth? |
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Answer» 15 book cost rs 3451 book cost rs 345/15=2350 book cost 1150 cost of 15 books = 345 rscost of 1 book= 345/15 = 23cost of 50 books = 23*50=1150 rs cost of 35 metre cloth = 70105cost of 1 metre = 70105/35 =2003cost of 18 metres cloth = 2003*18 = 36054 rs 2) 15 books cost rs. 345cost of 1 book = 345/15 = 23 rs.therefore cost of 50 such books= 23 × 50= 1,150 rs.3) the cost of 35 meters of cloth is 701.05 rs.cost of 1 m cloth = 701.05/35= 20.03 rs.so the cost of 18 m of cloth= 20.03 × 18 = 360.54 rs. 1150 is the best answer |
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