hari borrowed rs 130000 from krishna at the rate of 21% per annum. At the end of 1 year and 6 months then how much simple intres
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Answer:
Step-by-step explanation:
The total cost would be "Y".
"x" is would be "per text message".
12 cents per text message would be .12x.
And then, on top of that, we have to pay $30 per month. ( + 30 )
Put together, the equation should be y = .12x + 30.