Imagine you have taken 4 unit test. thus far, you have scored a 82%,90%,88%, and x%.you know have a test average of a 78%.what did you scored on that fourth test?

You scored a 52% on the fourth test.

Step-by-step explanation:

.78=(.82+.90+.88+x)/4

.78=(2.6+x)/4

3.12=2.6+x

.52=x

110698.56 square miles

step-by-step explanation:

multiply 3.8 by 102

387.6

multiply 2.8 by 102

285.6

multiply those two to get