Mathematics, 17.12.2020 03:10 ijustneedhelploll
* Answer all, get brainiest. 10 points per question.
Vodafone is charging a flat fee of $90 per month regardless of calling time. Let C1 be the Vodafone monthly cost. Express the monthly cost in the equation. Start with C1=
A. C1=90*m
B. C1=90
C. C1=m+90
Let's examine Telefónica which is charging $50 per month and additional 20 cents fee per minute of calling time. Let C2 be the monthly cost in dollars at Telefónica and m - minutes spend on the phone. Write an equation to model monthly cost. TIP: Do not forget to turn cents into dollars. Start with C2= *
A. C2=50+20m
B. C2=50+0.20m
C. C2=50*20m
With these 5 hours of calling time in mind, calculate and show the cost of phone service for Vodafone
A. C1=90*5=$450 (very expensive plan!)
B. C1=90 (cost stays the same at $90 regardless of usage)
C. C1=90+minutes
And now calculate and show the monthly cost for Telefónica with 5 hours of calling time in mind. Do not forget to convert hours into minutes *
A. C2=$50
B. C2=50+0.20*5=$51
C. C2=50+0.20*300=$110
Which plan works best for Kira? Why?
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Vodafone is charging a flat fee of $90 per mon...
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