luludemazzixox34 luludemazzixox34
  • 18-02-2022
  • Mathematics
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The price of a cup of coffee was $2.45 yesterday. Today, the price fell to $2.30. Find the percentage decrease. Round your answer to the nearest tenth of a percent

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Аноним Аноним
  • 18-02-2022

Based on given conditions, formulate,

[tex] \frac{(2.45 - 2.3)}{2.45}[/tex]

[tex] = > \frac{0.15}{2.45}[/tex]

Now multiply both numerator and denominator by 100 to make it positive,

[tex] = > \frac{0.15 \times 100}{2.45 \times 100} [/tex]

[tex] = > \frac{15}{245} [/tex]

Now cross put the common factor,

[tex] = > \frac{3}{49} [/tex]

Now round the number to rhe required place,

[tex] = > \frac{3}{49} [/tex]

[tex] = > 0.1[/tex]

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