Respuesta :

Answer:

Price of the notebook yesterday- $3.45

Price of the notebook today - $3.20

Decrease in price - $3.45-$3.20

= $ 0.25

Decrease % =

[tex] \frac{decrease}{total \: cost} \times \: 100[/tex]

[tex]100 \times \frac{0.25}{3.45} [/tex]

[tex]100 \times \frac{345}{25} [/tex]

4 × 345 = 1380%

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