i couldnt solve this it confused me and i need an explanation of another example thankyou

Another example.

What is 20% of 3x
20% means \(\displaystyle \dfrac{20}{100}\) and of means *

Therefore 20% of 3x means \(\displaystyle \dfrac{20}{100}*3x = \dfrac{60x}{100} = .6x\)
 
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