Apainter uses 20 drops of red paint and 45 drops if white paint to make a certain shade of pink. how many drops of white paint should he add to 12 drops of red paint to make the same shade.

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is