Answer:
CBC
Step-by-step explanation:
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Since opposite exterior angles are congruent I would plug in numbers for X till you find a number that goes into both and gets you the same product.
I don’t know because it wouldn’t pop up
1/3 of an hour is 20 minutes. If show 10 laps in 5 minutes, just divide 20 by 5, which gives you 4, then multiply 4 times 10. She can swim 40 laps in 1/3 of an hour. Hope that helps. Mark Brainliest if it does. Thank you!