71. Counting Roses Plucked Mary wants to walk from point A to point B. At every 225mm distance, she plucks a rose. The journey takes 18 metres from point A to point B. How many roses did Mary pluck from point A to point B? Added 21 July 2013 Show Hint Show Solution Hint: Convert the total distance from metres to millimetres to make the calculation easier. Solution: Mary walks 18 metres, which is 18000 mm. She plucks a rose every 225 mm. To find the number of roses, divide 18000 mm by 225 mm: 18000 / 225 = 80. Therefore, Mary plucks 80 roses.
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