Answers

1. Answer:

   80

   step by step explanation:

   when a number is decreased by 19 %, u calculate backwards, making the % to 119% of 66. Hence it becomes 78.54 to be exact, but in the nearest tenth, it becomes 80.

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2. Answer:

   81.48 (81.5 rounded)

   Step-by-step explanation:

   from the question 66 is = 81%

   (100% – 19% = 81)

   so

   66 : 81 * 100 = 81.48 (81.5 rounded)

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