Which steps could be used to solve this story problem? The zoo has 20 birds in the enclosure. Twelve of the birds are blue, 3 ar
e red, and the rest are orange. How many birds are orange? A. Multiply 12 × 3. Then add that product to 20. B. Add 12 and 3. Subtract the sum from 20. C. Subtract 3 from 12. Then add that difference to 20. D. Divide 20 ÷ 12. Then add 3 to that quotient.
