Bart opened a credit card at a department store with an APR of 19.99% compounded monthly. What is the APY on this credit card? (2 points) a 39.98% b 26.81% c 21.93% d 1.67%

your answer is a

step-by-step explanation:

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you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.

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