Algebra

posted by .

On a math test, k students in the class averaged 80%. The remaining students in the class,q students, averaged 94% on the test. The class average on the test was 88%. Express the ration of k/q in simplest form.

• Algebra -

80k + 94q = 88(k+q)
80k + 94q = 88k + 88q
6q = 8k
k/q = 6/8 = 3/4

Similar Questions

1. algebra 2

The average (arithmetic mean) of the test scores of class of a class of x students is 74, and the average of the test scores of a class of y students is 88. When the scores of both classes are combined, the average is 76. What is value …
2. Algebra

Ms Newton's class took the same test as Mr. Euclid's students. Ms. Newton's class has 20 students, and the average(mean) test score was 90. The average of Mr. Euclids class was 80. If you combine both classes the average score on the …
3. Algebra

Ms Newton's class took the same test as Mr. Euclid's students. Ms. Newton's class has 20 students, and the average(mean) test score was 90. The average of Mr. Euclids class was 80. If you combine both classes the average score on the …
4. Math

There are 24 students in Mrs.Smith's 1st block class. 1/4 of the class passed the math test with an A. 12 students in the class passed the math test with a B. What percent of the students in the class passed the test?
5. Math

There are 24 students in Mrs.Smith's 1st block class. 1/4 of the class passed the math test with an A. 12 students in the class passed the math test with a B. What percent of the students in the class passed the test?
6. Math

More than 18'students in an algebra class pass the first test. This is about three-fifths of the class. How many students are in the class?
7. Statistics

A student wants to test her hypothesis she gives each of her students an IO test. She finds that the average IQ score is 115 and the standard deviation for the class is 30. There are 22 students in the class. She also knows that the …
8. Algebra

The 22 students present for a recent test in Ms. Huangâ€™s class had an average score of 88. When students who were absent took the test, three scored 4 points higher than the average and two scored one point higher than the average. …
9. math hw

10.Thirty students in a chemistry class took a test on which the overall average score was 78. If the average score for 15 of those students was 85, what was the average score for the remaining members of the class?
10. Algebra 1

A teacher knows that 80% of her students will score no more than 5 points above or below the class average, 85%, on the test. Which inequality represents the test scores of 80% of her students?

More Similar Questions