Monique collects data from a random sample of seventh-graders in her school and finds that 4 out of 8 seventh graders participate in after-school activities. Write and solve a proportion to estimate the number of seventh-graders n who participate in after-school activities if 144 seventh graders attend Monique's school. Solve the proportion for n.

Question

Mathematics

Ashlyn Castillo

20 June, 01:10

Monique collects data from a random sample of seventh-graders in her school and finds that 4 out of 8 seventh graders participate in after-school activities. Write and solve a proportion to estimate the number of seventh-graders n who participate in after-school activities if 144 seventh graders attend Monique's school. Solve the proportion for n.

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Answers (2)

Know the Answer?

Carlee Rasmussen · Answer 1

The answer is 4/8=n/144; n=72.

Step-by-step explanation:

To solve a proportion, you croos multiply. In this case you get 144 times 4=8n.

This simplifies to 576=8n. Therefore, n=72.

Tyrell Wilkerson · Answer 2

4/8 = 1/2 or. 5 n = 1/2s if s = number of students. - 144/2 = 72 N is 72 students