Respuesta :

Answer:

3

Step-by-step explanation:

Step 1: Calculate the change by subtracting old cost ($52) from the new cost ($64)

Step 2: Divide that change by the old cost ($52).  You will get a decimal number

Step 3: Convert the decimal number to a percentage by multiplying by 100%

Answer:

Around 2.8% to 2.9%, the exact number is 2.898550724637681%

Step-by-step explanation:

A change from 69 to 71 represents a positive change (increase) of 2.898550724637681%

Use the formula found below on this webpage to find the percent change by replacing the given values:

Percent change = New - Old

|Old|

x 100%

Percent change = 71 - 69

|69|

x 100 = 2

69

x 100 = 2.898550724637681 % (increase)

Where: 69 is the old value and 71 is the new value. In this case we have a positive change (increase) of 2.898550724637681 percent because the new value is greater than the old value.