A bottle of soft drink A is 0.40dollars cheaper than a bottle of soft drink B. A woman spends 48dollars on buying soft drink A and she gets 4 bottles more than she can get
for soft drink B with the same amount of money. What is the cost of a bottle of soft
drink A?

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