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olganol [36]
3 years ago
7

The price of a calculator has decreased from

Mathematics
2 answers:
leva [86]3 years ago
6 0

im pretty sure its b 25 percent
NeTakaya3 years ago
4 0
Decrease = New number - Original Number

% Decrease = \frac{Decrease}{Original~number} × 100

Decrease = 9 - 12 = -3

% Decrease = \frac{-3}{12} = -0.25 × 100 = -25

Your answer = -25
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