There are 20 birds in a tree. 10 are blue birds, 5 are robins and 5 are crows. What percent of the birds are blue birds?

1/4 or 25% of the birds are blue birds.

The total amount of birds is 40, so if there are 10 blue birds, that is 1/4 of the birds. The percentage of 1/4 is 25%.

the answer would be c:   ax + b = ax + c

step-by-step explanation:

y/x of point b= y/x of point a

step-by-step explanation:

(i got the same question, this was the correct answer.)