The equation t(x)=x+0.029x models the total cost of an item, in dollars, where x is the cost before sales tax. What is the total cost of a $20 item?

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(1) Answers

dimasaleh101

In order to calculate that, you need to substitute for x = 20
t(20) = 20 + 0.029(20)
t(20) = 20 + 0.58
t(20) = 20.58
In short, Your Answer would be 20.58
Hope this helps!