Answer:
% age decrease = 17%
Explanation:
total marks = 65
student got marks after decrement = 54
marks decreased = 65 - 54 = 11
% age decrease = marks decreased / total marks * 100
= 11 / 65 * 100
= 17%
decrease of ≈ 16.9%
percentage decrease is calculated as
× 100%
decrease = 65 - 54 = 11 , then
percentage decrease = × 100% ≈ 0.1692.. × 100% ≈ 16.9% ( nearest tenth)
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