Write the sum of the of the numbers as the product of their gcf and another sum 32+40

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step-by-step explanation:

answer:

idk

step-by-step explanation:

the answer is d

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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