Question

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

Answer 1

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:

`(2.40)/(100)=(2.65)/(x)`

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

`x=(2.65)/(2.40)\cdot100`
`x=110.4`

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

`x=110.4-100=10.4`

Answer: 10.4%