A college football stadium holds 45,000 fans. In a random sample of 30 fans, 25 were wearing the colors of the home team. Predict the number of fans who are wearing the colors of the home team.
Accepted Solution
A:
Answer:AStep-by-step explanation:RemarkJust as a guess, the answer should be A or B. It's always a good idea to estimate an answer so that if you get something really far away, you know it is incorrect.EquationSet up a proportion for the problem26/30 is the basic ratio of the home fans wearing the right colorx/45000 is the ratio of those in the entire stadium.Solution26/30 = x / 45000 Cross multiply30x = 26 * 45000 Simplify the right30x = 1170000 Divide by 3030x/30 = 1170000/30 x = 39000 And that is A