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1. Mrs. Grape has 90 students. On her last test, 3/10 of these students earned an A. Of those students, 1/9 got a perfect score. How many students got a perfect score?

2. Using the information from the problem above, what fraction of the total students got a perfect score on the test?

2 Answers

1 vote

Answer:

3 1/30

Step-by-step explanation:

90 * 3/10 got A

of these 1/9 = perfect

90 * 3/10 * 1/ 9 = 3

3 out of 90 = 3/90 = 1/30

User Sumit Shukla
by
3.5k points
6 votes

Answer: 1/30

Explanation:

3/10 of 90 = 27

1/9 of 27 = 3

3/90 = 1/30

User Hreimer
by
3.8k points