To figure out the total monthly cost of texting, we can write an equation using the slope-intercept form, which looks like Y = mx + b. Here, Y is the total monthly cost, X is the number of texts sent, and each text costs $0.25 (25 cents). If I send 100 texts, the cost becomes 0.25 times the number of texts, so the equation becomes Y = 0.25X. Since there’s no extra charge for a monthly fee, we can say the equation doesn’t have a constant (b = 0), so it simplifies to Y = 0.25X. This way, I can easily calculate how much texting will cost based on how many texts I send!
In 4-5 sentences Explain what If Y represents the total monthly cost and X represents the number of texts sent, what equation in slope-intercept form represents this plan?
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"If I send 100 text messages in a month and each text costs 25 cents, I can figure out the total cost by multiplying the number of texts by the price per text. So, I would do 100 texts times 0.25 cents (which is 25 dollars). That equals 25 dollars, which is my total monthly cost for texting. To make it simple, just think of it like paying a quarter for each text, and if I send a lot, it adds up pretty quick!"
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