Answer:
Step-by-step explanation:
Got a -4
Ok to find the difference, you have to subtract. 12.41-11.85=0.56. It was 0.56s faster.
We need to find an equation for each situation. Let x be the number of GB of data used.
Statement 1: At Noise Pollution Cellular, plan A is $30.00 per month and $5.00 for every gigabyte of data used.
Plan A cost equation 
Statement 2: At Noise Pollution Cellular, Plan B is $50.00 per month and $2.00 for every gigabyte of data used.
Plan B cost equation 
Number of GB of data for which both the plan A and plan B cost are <em><u>same</u></em>.

When

When

Answer:
-7/2
Step-by-step explanation: