How many gallons each of 30% alcohol and 10% alcohol should be mixed to obtain 20 gal of 15% alcohol? Gallons of
Solution
Gallons of
Pure Alcohol
X
Percent
(as a decimal)
30% =0.3
10% = 0.1
15% =
y
20
How many gallons of 30% alcohol should be in the mixture?
gal
How many gallons of 10% alcohol should be in the mixture?
gal

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