Answer:
Total sum = 200 + 50 = $250
Total cost for x month = 200 + 50x
Step-by-step explanation:
Han's cell phone plan cost $200 to start. Then there is a $50 charge each month.
a. What is the total cost (start up fee and monthly charge) to use the cell phone plan for 1 month?
Total charge for 1 month plan will be the sum of the cell phone plan and the charge for 1 month.
Total sum = 200 + 50 = $250
b. What is the total cost for x months?
Total cost for x month = 200 + 50x
where
x is the number of months
(A) Total cost to use cell phone plan for 1 month is $250.
(B) The total cost of using cell phone for [tex]x[/tex] month is 200+50[tex]x[/tex].
Step-by-step explanation:
Given information:
The starting cost of the cell phone is $200
Monthly charges of the cell phone is $50
(A) In the first month
The total cost will be the sum of startup fee and the charge of one month
Hence, the total cost to use cell phone plan for 1 month
[tex]C_1 = 200+50\\C_1=250[/tex]
Total cost to use cell phone plan for 1 month is $250.
(B)The cost of using cell phone for [tex]x[/tex] month :
It will be the sum of cost of cell phone and the monthly cost multiplied by the number of month phone used:
Here, the number of month is [tex]x[/tex]
Hence the cost :
[tex]C_x=200+(50\times x)\\C_x=200+50x[/tex]
Hence , the total cost of using cell phone for [tex]x[/tex] month is 200+50[tex]x[/tex].
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