SOLUTION: the students wants to get an A (90%) in the class for the semester. if they have one more test to take, is this possible with the given six text scores (87, 100, 71, 78, 71,65)

Question 829877: the students wants to get an A (90%) in the class for the semester. if they have one more test to take, is this possible with the given six text scores (87, 100, 71, 78, 71,65)
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Find the average with S being the score on the last test which makes for a total of 7 tests.

Now solve for .
If its less than or equal to 100, it's still possible.
RELATED QUESTIONS
Imagine that a psychologist wants to know if drinking coffee every day over the course of (answered by ikleyn)

Imagine that a psychologist wants to know if drinking coffee every day over the course of (answered by Boreal)

If i wanted to go on a trip, i have to pass class with an 82.5%. I had 71% last semester... (answered by ankor@dixie-net.com)

in order to get an A in a college math class, a student must score no more than 90% of... (answered by JoelSchwartz)

In a group of 150 students, more students are taking a math class than are taking a... (answered by ankor@dixie-net.com)

Carla has three test scores of 91, 94, and 82 here is one more test during the semester.... (answered by josgarithmetic)

Jim has four test scores of 87,90,91, and 95. There is one more test during the semester. (answered by Theo)

Every year, students decide which four classes to take each semester. They must take two... (answered by Boreal)

A particular math class wants to have a class test average above a 90. On the last 2 math (answered by stanbon)