I already asked this once and no one answer except for someone saying "easy" please tell me the answer if u have it and if you don't, don't answer it with something dum please​

2x^2+5x+17

your welcome. : )

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step-by-step explanation:

this is a direct variation proportion. y = kx

y is the total amount due, k is the constant of variation, and x is the number of texts sent.

plug in the 3.20 and the 16 to solve for the "k". this is the constant of proportionality. it is the value that will not change.

3.20 = k(16). solving you get $.20 per text.

the equation would then be y = .20x