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price $2.40 then increased to $2.65. what is the percentage increase, rounded to the nearest 10th percent

Sagot :

Data

• Original price: $2.40

,

• Increased price: $2.65

Procedure

As $2.40 is our original price, this represents 100% of our data. The increased price will be more than 100%, and this will be our percentage increse. To calculate this, we have to build the following relation:

[tex]\frac{2.40}{100}=\frac{2.65}{x}[/tex]

where x is the percentage we want to know. Solving for x:

[tex]x=\frac{2.65}{2.40}\cdot100[/tex][tex]x=110.4[/tex]

As 100% is the original percentage price, then the percentage increase is:

[tex]x=110.4-100=10.4[/tex]

Answer: 10.4%

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