19.8k views
1 vote
1. George want to score at least a 90% on his math tests this quarter. So far his test scores are 88, 97 and

80. What does George need to score on his last test to average at least 90%?
Define variable:
Equation:
Solution:

check my work please! it’s number 1 :)

1. George want to score at least a 90% on his math tests this quarter. So far his-example-1
User Joan Smith
by
3.9k points

1 Answer

3 votes

Answer:

Yes you are correct.

Explanation:

The best way to check theese types of questions is go back in plug in X with your answer so 88+97+80+90(which is x)=360 then divide by 4 and get 90! So yes you are correct good job!

User SMSidat
by
4.0k points