John loves to swim and can complete 10 laps in 4 minutes. How long would it take him to swim 25 laps?
2 answers:
Answer:
62.5 minutes
Step-by-step explanation:
10 divided by 4
then 2.5 times 25 gives the answer
Answer:
10 minutes
Step-by-step explanation:
You can use a proportion.
10 laps is to 4 minutes as 25 laps is to x minutes.
10/4 = 25/x
Reduce the left fraction.
5/2 = 25/x
Cross multiply.
5x = 50
x = 10
Answer: 10 minutes
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