# Angela math test scores so far are as follows: 87, 96, 82, 77. What score must Angela make on the final test in order to have a test average of 88?

##### 3 Answers

Sep 16, 2015

Let

Sep 16, 2015

I found

#### Explanation:

Considering an average of

you get:

Sep 16, 2015

Angela must score 98 in her final test.

#### Explanation:

Let

The average of all 5 of the tests can be found by computing,

from this we just use algebra and solve for

Hope it helps :)