Heyoo I need help with the questions below, I honestly don't understand them at all. 225 points for anyone who helps thank you!!!

1/800 is the right answer

sorry

step-by-step explanation:

sorry, but im pretty sure its a now that i look at it

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