Mathematics, 26.01.2020 23:31 cowikta
An ongoing promotion at a department store gives customers 20% off the portion of their bill that is over $100. ruby's total bill at the department store after the promotion has been applied is $250. if x represents the amount of money ruby would have spent on the same purchase at the department store without the promotion, which of the following equations best models the situation?
a. 0.2x + 100 = 250
b. 0.8x + 100 = 250
c. 100 + 0.2(x - 100) = 250
d. 100 + 0.8(x - 100) = 250
Answers: 1
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