Shelby earned $20 dollars babysitting. She spent 30% of her earnings. What decimal represents the part of her earnings Shelby spent?

Question

I've been trying to get this for a while, but I don't understand it. 

Answer 1

Hi Trinity,

 

Express 30% as a decimal by dividing by 100

30/100 =0.30

 

She spent  0.30*$20 =$6