Question

When a number is decreased by 19%, the result is 66. What is the original number to the nearest tenth?

Answer 1

81.48 (81.5 rounded)

Explanation:

from the question 66 is = 81%

(100% - 19% = 81)

so

66 : 81 * 100 = 81.48 (81.5 rounded)

Answer 2

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.