SOLUTION: Paula needs to have an average of 90 to keep her rank in the roll. If she scored 86, 92, 89, and 88 on four tests, what should be her score on the next test?

SOLUTION: Paula needs to have an average of 90 to keep her rank in the roll. If she scored 86, 92, 89, and 88 on four tests, what should be her score on the next test?

Algebra.Com

Question 1087620: Paula needs to have an average of 90 to keep her rank in the roll. If she scored 86, 92, 89, and 88 on four tests, what should be her score on the next test?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
86+92+89+88=355
90x5=450
450-355=?
☺☺☺☺
RELATED QUESTIONS
Carmen was excited about the possibility of earning the "Mayfield Math Award." In order... (answered by addingup)

Jessica needs to have an average of 89 percent on her math tests to get an A-. If her... (answered by MathTherapy)

Janice has an average of 74 on the first three tests in her algebra class. On the final... (answered by mananth)

how to compute the next grade if the average is given? ex. average= 90 scored=... (answered by colliefan)

To earn an A in a course, a student must get an average score of 90 on five tests. If... (answered by math_helper,greenestamps)

A student has scored 93%, 89%, 72%, 80%, and 96% on the five math tests so far. What must (answered by richwmiller)

how would I solve this pre-alg. question ? odina'a scores on the first three of four... (answered by TimothyLamb)

how would I solve this pre-alg. question ? odina'a scores on the first three of four... (answered by TimothyLamb)

Tom received 89, 94, 86, and 96 on the first algebra tests. What grade must he receive on (answered by jim_thompson5910)