SOLUTION: This year in math the teacher will be giving 5 tests, each scored out of 100. If Heather wishes to get an A+ average (90 or above), what is the lowest possible score she can receiv

Question 581721: This year in math the teacher will be giving 5 tests, each scored out of 100. If Heather wishes to get an A+ average (90 or above), what is the lowest possible score she can receive on a test?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
This year in math the teacher will be giving 5 tests, each scored out of 100. If Heather wishes to get an A+ average (90 or above), what is the lowest possible score she can receive on a test?
---
To get an average of 90 she can miss a total of 5*10 = 50
points in the 5 tests. (She needs 450 points in the 5 tests)
---
The lowest test score she can get is 50 (she will need 100
on 4 of the tests).
Cheers,
Stan H.
RELATED QUESTIONS
this year in math the teacher will be giving 5 tests, each scored out of 100. if heather... (answered by JBarnum)

Heather has had four algebra tests so far this year. Her scores are: 90%, 87%, 96%, and... (answered by ewatrrr)

A student has an average score of 88 in her math class. This is the average of her first (answered by srinivas.g)

A student has scored an average of 87 on seven tests. To get an A in the class, she must... (answered by ankor@dixie-net.com)

The question states the following: The mean of Wes's first 4 math tests is 88. However,... (answered by nerdybill)

A student scored the following four math tests: 85, 85, 90, and 95. What must she score... (answered by Fombitz)

William has scored a total of 235 points on the first three math tests taken in his... (answered by mananth)

The grade in Ma. Elena’s history class will be determined completely by three tests,... (answered by Boreal,MathTherapy,ikleyn)

Your math teacher says you have an 86.5% test average after 8 tests. You will be taking 4 (answered by Fombitz,checkley77)