Question

Can someone help me please

Answer 1

Answer:

$22.75

Step-by-step explanation:

C = $30.25 - ($0.25/min)x, where x is the number of minutes spent on calls

Here, 30 minutes of calls result in this amount of $ left on the card:

C(30) = $30.25 - ($0.25/min)(30 min) = $22.75