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Question:

Jared rents three videos for $8.00. What would the cost of two video rentals be?

A $5.33
Explaination

Using the ratio price/video, the proportion 8/3 =x/2 can be used to find the cost to rent two videos. Cross multiply. 8 × 2 = 3x so 16 = 3x and x=16/3=$5.33.