Answer:
6.4 this is the middle between them or like 0.1 is difference
David's score on his fifth test would be an 87. If you add up all the scores from his first to his fourth test, it would 363. However, since there are five tests, in order to get a 90 percent, the sum of all five test scores would be 450. 450 - 363 = 87.
<span>3,000 - 2345
655
655 + 10000
10655
2345 - 10655
(-8310)</span>
I think the answer to your question is -2
