Answer:
its A
PLS MARK AS BRAINLESS I MEAN BRAINLIEST :)
Step-by-step explanation:
81 is the correct answer
hope it helps you have a good day
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!
