Cell phone company a charges $20 each month plus $0.03 per text. cell phone company b charges $5 each month plus $0.07 per text. 1. write a system of equations to model the situation using c for cost and t for number of texts. 2. how many texts does a person need to send in a month to make the costs from both companies equal? me out here d;

Cost of company A=monthlyfee+text=20+0.03t where t=number of texts
A=20+0.03t

company b is monthlyfee+texts=5+0.07t
B=5+0.07t

1.
c=20+0.03t
c=5+0.07t
using c for cost is confusing because we can't tell which is for which company

2.

equal, means the costs are equal so
20+0.03t=5+0.07t
minus 5 from both sides
15+0.03t=0.07t
minus 0.03t from both sides
15=0.04t
divide both sides by 0.04
375=t
the answer is 375 texts

1. 20c + 0.03t = total
    5c + 0.07t = total

2. To find if they're equal, set them both equal to each other. Since it's one month, set c to 1.

20c + 0.03t = 5c + 0.07t
20 + 0.03t = 5 + 0.07t
15 = 0.04t
375 = t

Hope this helps!

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