Miruna și Filip au câte un album cu fotografii din excursii. Numărul fotografiilor Mirunei este de 3 ori mai mare decât al lui Filip iar diferența este 52. Câte fotografii are fiecare copil? Vă rog frumos dau coroana

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 . reset next