This is Cindy's Math Hair Salon. It is a hair salon where they also teach you percent of change.
Cindy's Math Hair Salon
Allie is a 7th grade student and wants to get her hair cut and learn percent of change!!!
Hi, Im Cindy how may I help you today?
Hi, I would like to get my hair cut
Ok, lets get started then!
I would like to learn the percent of change of my hair
30 minutes later
Here is the piece of paper I did the math on.
Your hair has a 25% Decrease
Allies hair was originally 20cm after she got her hair cut it was 15cm The formula to find percent of change is: Amount of Change = % of change Old length 100 The equation would be: 5cm = X 20cm 100 20x = 500 20 20 X= 25%
Thank you so much!!! Now I understand percent of change
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