T talk company charges a flat rate of 15 per month plus 0.10 per text. Mobile serve does not charge a flat rate, but charges 0.30 per text. How many texts would you have to send in order for their charges to be the same

75

Step-by-step explanation:

let the number of texts equal T

total amount charged by talk company - 15 + 0.1T

total amount charged by mobile service = 0.3T

we are to find the number of texts that would make the charges equal

15 + 0.1T = 0.3T

Collect like terms

15 = 0.3T - 0.1T

15 = 0.2T

T = 15/0.2 = 75

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