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A bag contains 25 balls 20 of which are blue what percentage of balls are not blue

Sagot :

Answer:

20%

Step-by-step explanation:

20/25 = blue

This means 5/25 of the balls in the bag are NOT blue

(25-20 = 5)

We need to convert 5/25 to a percentage

[tex]\dfrac{5}{25} = \dfrac{5\times4}{25\times4}=\dfrac{20}{100}[/tex]

% = per cent

"per" means "out of"

"cent" means "one hundred"

so

20/100 = 20%