deceease the following by the given percentage 90 by 90%
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Answer:
Percentage decrease = 90% × 90
New value = 90 - Percentage decrease
90 - Percentage decrease =
90 - (90% × 90) =
90 - 90% × 90 =
(1 - 90%) × 90 =
(100% - 90%) × 90 =
10% × 90 =
10 ÷ 100 × 90 =
10 × 90 ÷ 100 =
900 ÷ 100 =
9
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