Abag containing 5 red balls, 8 blue balls and 7 yellow balls, what % of the balls are blue?

There are 20 balls in the bag altogether.

If 12 of them are not blue, that means that 8 of them are blue. We can find out what percent of the blue balls are in the bag by turning it into a fraction.

The fraction represents the 8 blue balls out of the 20 balls altogether.

Now that we have our fraction, we can change it into a percent. The fraction can be reduced to by dividing both the numerator and denominator by the greatest common factor.

2 ÷ 5 = 0.4

0.4 x 100 = 40%

40% of the balls in the bag are blue.

the answer is d on edge

step-by-step explanation: