1. michelle purchased 25 audio files in january. in february she
purchased 40 audio files. find the percent increase. (lesson 5.1)

Michelle purchased 25 audio files in January. The percent increase is 60%

Solution:

Given Data:

Michelle purchases = 25 audio files in January

Again purchased = 40 audio files in February

We need to find the percent increase for the given data.

Step 1:

Use the formula for percent change ,

Step 2:

First we find the amount of change from the question.

Amount of change = 40 – 25  

By subtracting, we get 15.

Step 3:

substitute the values in formula we get,

Formula percent change = = 0.6  

Percent = 0.6 100 = 60 %.

Result:

Michelle purchased 25 audio files in January. And In February she purchased 40 audio files. Hence the percent increase is 60%.

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x

i need points

step-by-step explanation:

sorry bubs