SOLUTION: A zoo has 4 types of birds. There are 28 birds in the zoo. There are 5 blackbirds, 7 sparrows, 12 hummingbirds, and the rest are finches. What fractional part of the birds are blac

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: A zoo has 4 types of birds. There are 28 birds in the zoo. There are 5 blackbirds, 7 sparrows, 12 hummingbirds, and the rest are finches. What fractional part of the birds are blac      Log On


   

Question 994022: A zoo has 4 types of birds. There are 28 birds in the zoo. There are 5 blackbirds, 7 sparrows, 12 hummingbirds, and the rest are finches. What fractional part of the birds are blackbirds or sparrows?
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
There are 5 blackbirds and 7 sparrows. So 12 birds are blackbirds or sparrows
There are 28 total birds.
Thus 12%2F28 = 3%2F7 are blackbirds or sparrows