Question 815211: Your test score in science are 83 and 87. What possible scores can you earn on your next test to have a test average between 85 and 90,inclusive?
Found 2 solutions by josmiceli, MathTherapy:
Answer by josmiceli(19441)   (Show Source):
Answer by MathTherapy(10552)  (Show Source):
You can put this solution on YOUR website!
Your test score in science are 83 and 87. What possible scores can you earn on your next test to have a test average between 85 and 90,inclusive?
Let 3rd score be S
Then: 
255 < 170 + S < 270 ------- Multiplying by LCD, 3
255 - 170 < S < 270 - 170
85 < S < 100
The 3rd score should be between 85 and 100, non-inclusive.
You can do the check!!
Send comments, “thank-yous,” and inquiries to “D” at MathMadEzy@aol.com.
Further help is available, online or in-person,for a fee, obviously.
For FREE info and answers to questions about the ASVAB exam, the NYS 3 – 8 city/state wide exams,
GENERAL MATH QUESTIONS, MATH HOMEWORK QUESTIONS, or MATH QUESTIONS related to the Regents Integrated Algebra,
Regents Geometry, Regents Algebra 2/Trigonometry, SHSAT, COOP/HSPT/TACHS, PSAT, SAT, ACT, SSAT/ISEE, GRE, CLEP,
and the GED, you can visit: http://asvabstudyzone.freeforums.net/.
|
|
|
