Verizon chargers $0.50 per minute for a cell phone plan. t mobile charges a flat fee of $20 and $0.10 per minute for a cell phone plan. for how many minutes will verizon's monthly plan be less expensive then t mobiles

For minutes less than 50, Verizon's monthly plan will be less expensive then T mobiles.

Step-by-step explanation:

Let the minutes used be .

Given:

Cost per minute by Verizon = $ 0.50

∴ Total cost for minutes by Verizon =

Cost per minute by T mobile = $ 0.10

∴ Cost for minutes by T mobile =

Fixed cost charged by T mobile = $ 20

Therefore, the total cost charged by T mobile =

Now, for Verizon cost to be less than T mobile's cost,

Therefore, for , Verizon's monthly plan will be less than that of T mobile's plan.

So, for up to 50 minutes, Verizon's plan is cheaper than T mobile's plan.