Answer:
Sum
Step-by-step explanation:
It needs 2 be 20 characters so dont mind me . . .
Answer:
The equation is whose solution is
Step-by-step explanation:
Let us call the number of minutes the phone is used over 200 minutes, then we have
<em>(this says monthly bill of $40 plus the cost of phone usage over 200 minutes must equal $58 )</em>
This equation can be used to solve for u as follows: