A bird specialist observed a random sample of 60 migrating birds at a local lake. 30 of the birds were with white spots. What fraction of the birds were white with spots?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Asequence is a function whose is the set of natural numbers

Arecipe calls for 3 ounces of flour for every 2 ounces of sugar. find the constant of proportionality.