An online movie rental company charges $ 18 per month to watch up to 20 movies during that month. Milly can pay the fee of $18 per month or a 6-month fee of $ 102 for the same number of movies per month.

asked Feb 6, 2019 95.1k views

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It is cheaper to pay the six month at once because if she pays $18 she will pay a total of $108.

Klaufir answered Feb 11, 2019

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