You and your friends are picking up videos at a video store. You have selected 7 videos but will only have time to watch 3. How
1 answer:
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Answer:
C. 20/12 = 100/x
Step-by-step explanation:
The ratio of interest is (fruit juice)/(total liquid) = x/100. The usual way that would be expressed is ...
(12 cups)/(12 cups + 8 cups) = x/100
12/20 = x/100
We note that the only answer choice with the numbers 12, 20, and 100 is C. Checking that against the expected relation above, we see that <em>both sides are inverted</em>, so the proportion of C is equivalent to the one we expect.
