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Anika works at TechWorld and receives an employee discount of 10% off the lowest ticketed price on an item. On Saturday, TechWorld offers a $20 off on all iPods. Using her employee discount as well as the storewide discount, Anika buys an iPod for $115.90. Use a composition of functions to determine the original cost of the iPod to the nearest cent.
First, write an equation that represents Anika’s cost of the iPod. Next, write an equation that represents the cost of the iPod for any shopper. Then, solve.

a. $148.78
b. $153.22
c. $189.98
d . $162.50