Answer:
7.99 or D
Step-by-step explanation:
It is simple addition.
Answer:
$1,599
Step-by-step explanation:
Answer:

Step-by-step explanation:
Let x represent Brad's score on 4th test.
We have been given Brad has scored 87, 89, and 78 on the first three.
To find the range of Brad's test score, we will represent our given information in an inequality as:




Therefore, the range of score on the fourth test will be
.