Ryan invests in an account that pays 1.25% compound interest annually. he uses the expression p(1+r)t to find the total value of the account after t years. what will be the total value of the account after 3 years if he invested $7,000?

what is the your question?

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

oh

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