This week, 300 tickets were sold to the school play. this is 120 percent of the number of tickets sold last week. how many tickets were sold last week for the school play?
tickets sold

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