SOLUTION: A student's scores on five test are 96,97,88,88, and 80. What must the score be on the next test so that the average is 85?
Algebra.Com
Question 762766: A student's scores on five test are 96,97,88,88, and 80. What must the score be on the next test so that the average is 85?
Answer by EricWRX(2) (Show Source): You can put this solution on YOUR website!
You can start by going 85(6)=510 510 being the total mark for 6 tests with an 85 average.
Next, add 96,97,88,88,80 that gives you 449 for 5 tests.
So if you subtract 510-449= 61
This 61 would make the overall mark on 6 tests 510. 510/6= 85
RELATED QUESTIONS
Olivia’s scores on five tests are 93, 89, 72, 80, and 96. What must the score be on her... (answered by addingup)
Sue’s scores on five tests are 84, 80, 76, 96, and 80. What must Sue score on the sixth... (answered by Cromlix)
Algebra 2 test problem : a student scores on 5 test are 93%, 89%, 72%, 80% and 96% what... (answered by stanbon,jim_thompson5910)
A student has scored 93%, 89%, 72%, 80%, and 96% on the five math tests so far. What must (answered by richwmiller)
A student’s test scores are 88, 87, 82, 95, and 89. If the student needs an average test... (answered by mananth)
Students in a math class need an average of at least 90 points to earn an A. One students (answered by nerdybill)
Kyle's scores on his first five test were 86,80,85,75 and 85.What score must he get on... (answered by math_helper)
A student’s test scores are 86, 72, 85, and 90. What is the lowest score that
the... (answered by edjones)
Antonio's first four test scores were 85, 92, 91, and 80. What must the score on his next (answered by ikleyn)